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	<id>https://wiki.universitas.ro/index.php?action=history&amp;feed=atom&amp;title=E%3A5743</id>
	<title>E:5743 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.universitas.ro/index.php?action=history&amp;feed=atom&amp;title=E%3A5743"/>
	<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:5743&amp;action=history"/>
	<updated>2026-05-01T15:29:52Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10389&amp;oldid=prev</id>
		<title>Andrei.Horvat at 05:01, 8 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10389&amp;oldid=prev"/>
		<updated>2024-12-08T05:01:15Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 05:01, 8 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Soluție:&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Soluție:&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dacă &amp;lt;math&amp;gt;15 | \overline{7a8b}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; b \in \left\{0,5\right\}&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; a+b \in \mathcal{M}_3&amp;lt;/math&amp;gt;. Pentru &amp;lt;math&amp;gt;b=0&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{0,3,6,9\right\}&amp;lt;/math&amp;gt;. Pentru &amp;lt;math&amp;gt;b=5&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{1,4,7\right\}&amp;lt;/math&amp;gt;. Deci&amp;lt;math display=&quot;block&quot;&amp;gt;A = \left\{ n\in  \mathbb{N},  n=\overline{7a8b} , 15 | n   \right\} = \left\{ 7080, 7185, 7380, 7485, 7680, 7785, 7980\right\}.&amp;lt;/math&amp;gt;Dacă &amp;lt;math&amp;gt;40 | \overline{7x8y}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;8 | \overline{7x8y}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;5 | \overline{7x8y}&amp;lt;/math&amp;gt;. Cum &amp;lt;math&amp;gt;y&amp;lt;/math&amp;gt; este par, din &amp;lt;math&amp;gt;5 | \overline{7x8y}&amp;lt;/math&amp;gt; se obține &amp;lt;math&amp;gt;y=0&amp;lt;/math&amp;gt;. Rezultă &amp;lt;math&amp;gt;\overline{7x80} \, \vdots \, 8&amp;lt;/math&amp;gt;, ceea ce implică &amp;lt;math&amp;gt;4x \, \vdots \, 8&amp;lt;/math&amp;gt;. Atunci &amp;lt;math&amp;gt; x \in \left\{0,2, 4, 6, 8\right\}&amp;lt;/math&amp;gt;. Deci&amp;lt;math display=&quot;block&quot;&amp;gt;B = \left\{ n\in  \mathbb{N},  n=\overline{7x8y} , 40 | n   \right\} = \left\{ 7080, 7280, 7480, 7680, 7880\right\}.&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dacă &amp;lt;math&amp;gt;15 | \overline{7a8b}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; b \in \left\{0,5\right\}&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; a+b \in \mathcal{M}_3&amp;lt;/math&amp;gt;. Pentru &amp;lt;math&amp;gt;b=0&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{0,3,6,9\right\}&amp;lt;/math&amp;gt;. Pentru &amp;lt;math&amp;gt;b=5&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{1,4,7\right\}&amp;lt;/math&amp;gt;. Deci&amp;lt;math display=&quot;block&quot;&amp;gt;A = \left\{ n\in  \mathbb{N},  n=\overline{7a8b} , 15 | n   \right\} = \left\{ 7080, 7185, 7380, 7485, 7680, 7785, 7980\right\}.&amp;lt;/math&amp;gt;Dacă &amp;lt;math&amp;gt;40 | \overline{7x8y}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;8 | \overline{7x8y}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;5 | \overline{7x8y}&amp;lt;/math&amp;gt;. Cum &amp;lt;math&amp;gt;y&amp;lt;/math&amp;gt; este par, din &amp;lt;math&amp;gt;5 | \overline{7x8y}&amp;lt;/math&amp;gt; se obține &amp;lt;math&amp;gt;y=0&amp;lt;/math&amp;gt;. Rezultă &amp;lt;math&amp;gt;\overline{7x80} \, \vdots \, 8&amp;lt;/math&amp;gt;, ceea ce implică &amp;lt;math&amp;gt;4x \, \vdots \, 8&amp;lt;/math&amp;gt;. Atunci &amp;lt;math&amp;gt; x \in \left\{0,2, 4, 6, 8\right\}&amp;lt;/math&amp;gt;. Deci&amp;lt;math display=&quot;block&quot;&amp;gt;B = \left\{ n\in  \mathbb{N},  n=\overline{7x8y} , 40 | n   \right\} = \left\{ 7080, 7280, 7480, 7680, 7880\right\}.&amp;lt;/math&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Se obține &#039;&#039;&amp;lt;math display=&quot;block&quot;&amp;gt;A \cup B = \left\{ 7080, 7185, 7280, 7380, 7480, 7485, 7680, 7785, 7880, 7980 \right\}&amp;lt;/math&amp;gt;&amp;lt;math display=&quot;block&quot;&amp;gt;A\cap B = \left\{ 7080, 7680\right\}&amp;lt;/math&amp;gt;&amp;lt;math display=&quot;block&quot;&amp;gt;A\setminus B = \left\{ 7185, 7380, 7485\, 7785, 7980 \right\}&amp;lt;/math&amp;gt;&#039;&#039;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10388&amp;oldid=prev</id>
		<title>Andrei.Horvat at 04:54, 8 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10388&amp;oldid=prev"/>
		<updated>2024-12-08T04:54:30Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:54, 8 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;Fie &amp;lt;math&amp;gt;A&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7a8b}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;15&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7x8y}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;40&amp;lt;/math&amp;gt;. Să se determine mulțimile &amp;lt;math&amp;gt;A \cup B&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;A\cap B&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;A\setminus B&amp;lt;/math&amp;gt;.&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;Fie &amp;lt;math&amp;gt;A&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7a8b}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;15&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7x8y}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;40&amp;lt;/math&amp;gt;. Să se determine mulțimile &amp;lt;math&amp;gt;A \cup B&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;A\cap B&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;A\setminus B&amp;lt;/math&amp;gt;.&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Soliție&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039;Soluție:&#039;&#039;&#039;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dacă &amp;lt;math&amp;gt;15 | \overline{7a8b}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; b \in \left\{0,5\right\}&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; a+b \in \mathcal{M}_3&amp;lt;/math&amp;gt;. Pentru &amp;lt;math&amp;gt;b=0&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{0,3,6,9\right\}&amp;lt;/math&amp;gt;. Pentru &amp;lt;math&amp;gt;b=5&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{1,4,7\right\}&amp;lt;/math&amp;gt;. Deci&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dacă &amp;lt;math&amp;gt;15 | \overline{7a8b}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; b \in \left\{0,5\right\}&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; a+b \in \mathcal{M}_3&amp;lt;/math&amp;gt;. Pentru &amp;lt;math&amp;gt;b=0&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{0,3,6,9\right\}&amp;lt;/math&amp;gt;. Pentru &amp;lt;math&amp;gt;b=5&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{1,4,7\right\}&amp;lt;/math&amp;gt;. Deci&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math display=&quot;block&quot;&amp;gt;A = \left\{ n\in  \mathbb{N},  n=\overline{7a8b} , 15 | n   \right\} = \left\{ 7080, 7185, 7380, 7485, 7680, 7785, 7980\right\}.&amp;lt;/math&amp;gt;Dacă &amp;lt;math&amp;gt;40 | \overline{7x8y}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;8 | \overline{7x8y}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;5 | \overline{7x8y}&amp;lt;/math&amp;gt;. Cum &amp;lt;math&amp;gt;y&amp;lt;/math&amp;gt; este par, din &amp;lt;math&amp;gt;5 | \overline{7x8y}&amp;lt;/math&amp;gt; se obține &amp;lt;math&amp;gt;y=0&amp;lt;/math&amp;gt;. Rezultă &amp;lt;math&amp;gt;\overline{7x80} \, \vdots \, 8&amp;lt;/math&amp;gt;, ceea ce implică &amp;lt;math&amp;gt;4x \, \vdots \, 8&amp;lt;/math&amp;gt;. Atunci &amp;lt;math&amp;gt; x \in \left\{0,2, 4, 6, 8\right\}&amp;lt;/math&amp;gt;. Deci&amp;lt;math display=&quot;block&quot;&amp;gt;B = \left\{ n\in  \mathbb{N},  n=\overline{7x8y} , 40 | n   \right\} = \left\{ 7080, 7280, 7480, 7680, 7880\right\}.&amp;lt;/math&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10387&amp;oldid=prev</id>
		<title>Andrei.Horvat at 04:39, 8 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10387&amp;oldid=prev"/>
		<updated>2024-12-08T04:39:45Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:39, 8 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Soliție&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Soliție&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dacă &amp;lt;math&amp;gt;15 | \overline{7a8b}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;math&amp;gt;&amp;lt;&lt;/del&gt;math&amp;gt;. Din &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; b \in \left\{0,5\right\}&amp;lt;/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mathh&lt;/del&gt;&amp;gt;. Din &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; a+b \in \mathcal{M}_3&amp;lt;/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mathh&lt;/del&gt;&amp;gt;. Pentru &amp;lt;math&amp;gt;b=0&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{0,3,6,9\right\}. Pentru &amp;lt;math&amp;gt;b=5&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{1,4,7\right\}. Deci&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dacă &amp;lt;math&amp;gt;15 | \overline{7a8b}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; b \in \left\{0,5\right\}&amp;lt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;math&lt;/ins&gt;&amp;gt;. Din &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; a+b \in \mathcal{M}_3&amp;lt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;math&lt;/ins&gt;&amp;gt;. Pentru &amp;lt;math&amp;gt;b=0&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{0,3,6,9\right\}&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/math&amp;gt;&lt;/ins&gt;. Pentru &amp;lt;math&amp;gt;b=5&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{1,4,7\right\}&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/math&amp;gt;&lt;/ins&gt;. Deci&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10386&amp;oldid=prev</id>
		<title>Andrei.Horvat at 04:38, 8 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10386&amp;oldid=prev"/>
		<updated>2024-12-08T04:38:30Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:38, 8 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Soliție&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Soliție&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dacă &amp;lt;math&amp;gt;15 | \overline{7a8b}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;&amp;lt;math&amp;gt;. Din &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; b \in \left\{0,5\right\}. Din &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; a+b \in \mathcal{M}_3&amp;lt;/mathh&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dacă &amp;lt;math&amp;gt;15 | \overline{7a8b}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;&amp;lt;math&amp;gt;. Din &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; b \in \left\{0,5\right\}&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/mathh&amp;gt;&lt;/ins&gt;. Din &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; a+b \in \mathcal{M}_3&amp;lt;/mathh&amp;gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Pentru &amp;lt;math&amp;gt;b=0&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{0,3,6,9\right\}. Pentru &amp;lt;math&amp;gt;b=5&amp;lt;/math&amp;gt; rezultă &amp;lt;math&amp;gt; a \in \left\{1,4,7\right\}. Deci&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10385&amp;oldid=prev</id>
		<title>Andrei.Horvat at 04:36, 8 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10385&amp;oldid=prev"/>
		<updated>2024-12-08T04:36:26Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:36, 8 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l2&quot;&gt;Line 2:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 2:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;Fie &amp;lt;math&amp;gt;A&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7a8b}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;15&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7x8y}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;40&amp;lt;/math&amp;gt;. Să se determine mulțimile &amp;lt;math&amp;gt;A \cup B&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;A\cap B&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;A\setminus B&amp;lt;/math&amp;gt;.&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;Fie &amp;lt;math&amp;gt;A&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7a8b}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;15&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7x8y}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;40&amp;lt;/math&amp;gt;. Să se determine mulțimile &amp;lt;math&amp;gt;A \cup B&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;A\cap B&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;A\setminus B&amp;lt;/math&amp;gt;.&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Soliție&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Dacă &amp;lt;math&amp;gt;15 | \overline{7a8b}&amp;lt;/math&amp;gt;, atunci &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;&amp;lt;math&amp;gt;. Din &amp;lt;math&amp;gt;5 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; b \in \left\{0,5\right\}. Din &amp;lt;math&amp;gt;3 | \overline{7a8b}&amp;lt;/math&amp;gt;, se obține &amp;lt;math&amp;gt; a+b \in \mathcal{M}_3&amp;lt;/mathh&amp;gt;.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10383&amp;oldid=prev</id>
		<title>Andrei.Horvat at 04:31, 8 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10383&amp;oldid=prev"/>
		<updated>2024-12-08T04:31:52Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:31, 8 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;E:5743 (Grigore Balog)&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;E:5743 (Grigore Balog)&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;Fie &amp;lt;math&amp;gt;A&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7a8b}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;15&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7x8y}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;40&amp;lt;/math&amp;gt;. Să se determine mulțimile &amp;lt;math&amp;gt;A \cup B&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;A\cap B&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;A\&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;setmnus &lt;/del&gt;B&amp;lt;/math&amp;gt;.&#039;&#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;Fie &amp;lt;math&amp;gt;A&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7a8b}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;15&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7x8y}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;40&amp;lt;/math&amp;gt;. Să se determine mulțimile &amp;lt;math&amp;gt;A \cup B&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;A\cap B&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;A\&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;setminus &lt;/ins&gt;B&amp;lt;/math&amp;gt;.&#039;&#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10382&amp;oldid=prev</id>
		<title>Andrei.Horvat: Created page with &quot;&#039;&#039;&#039;E:5743 (Grigore Balog)&#039;&#039;&#039;  &#039;&#039;Fie &lt;math&gt;A&lt;/math&gt; mulțimea numerelor de forma &lt;math&gt;\overline{7a8b}&lt;/math&gt;, care se divid cu &lt;math&gt;15&lt;/math&gt; și &lt;math&gt;B&lt;/math&gt; mulțimea numerelor de forma &lt;math&gt;\overline{7x8y}&lt;/math&gt;, care se divid cu &lt;math&gt;40&lt;/math&gt;. Să se determine mulțimile &lt;math&gt;A \cup B&lt;/math&gt;, &lt;math&gt;A\cap B&lt;/math&gt; și &lt;math&gt;A\setmnus B&lt;/math&gt;.&#039;&#039;&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:5743&amp;diff=10382&amp;oldid=prev"/>
		<updated>2024-12-08T04:31:25Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;E:5743 (Grigore Balog)&amp;#039;&amp;#039;&amp;#039;  &amp;#039;&amp;#039;Fie &amp;lt;math&amp;gt;A&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7a8b}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;15&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7x8y}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;40&amp;lt;/math&amp;gt;. Să se determine mulțimile &amp;lt;math&amp;gt;A \cup B&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;A\cap B&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;A\setmnus B&amp;lt;/math&amp;gt;.&amp;#039;&amp;#039;&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;E:5743 (Grigore Balog)&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;Fie &amp;lt;math&amp;gt;A&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7a8b}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;15&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; mulțimea numerelor de forma &amp;lt;math&amp;gt;\overline{7x8y}&amp;lt;/math&amp;gt;, care se divid cu &amp;lt;math&amp;gt;40&amp;lt;/math&amp;gt;. Să se determine mulțimile &amp;lt;math&amp;gt;A \cup B&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;A\cap B&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;A\setmnus B&amp;lt;/math&amp;gt;.&amp;#039;&amp;#039;&lt;/div&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
</feed>