P:1791: Difference between revisions
Created page with "'''P:1791 (Vraja-Lőkös Éva-Ibolya)''' ''Suma a două numere naturale, pare, consecutive este <math>90</math>. Aflați produsul acestor numere.'' '''Soluție'''" |
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'''Soluție''' | '''Soluție''' | ||
Dacă notăm cu <math>a</math> cel mai mic număr, atunci al doilea număr este <math>a+2</math>. Avem <math display="block">a+a+2=90,</math> de unde se obține <math>a=44</math>. Deci numerele sunt <math>44</math> și <math>46</math>, cu produsul<math display="block">44 \cdot 46 = 2024.</math> | |||
Latest revision as of 06:23, 4 August 2025
P:1791 (Vraja-Lőkös Éva-Ibolya)
Suma a două numere naturale, pare, consecutive este Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 90} . Aflați produsul acestor numere.
Soluție
Dacă notăm cu Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a} cel mai mic număr, atunci al doilea număr este Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a+2} . Avem Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a+a+2=90,} de unde se obține Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a=44} . Deci numerele sunt Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 44} și Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 46} , cu produsulFailed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 44 \cdot 46 = 2024.}