27020: Difference between revisions

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27020 (Gheorghe Szöllösy)

Să se calculeze suma $\sum _{k=0}^{\left[{\frac {n}{2}}\right]}\left[{\dfrac {n}{2}}\right]$

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	'''27020 (Gheorghe Szöllösy)'''		'''27020 (Gheorghe Szöllösy)'''

	Să se calculeze suma <math> \sum_{k=0}^\left[\frac{n}{2}\right] i </math>		Să se calculeze suma <math> \sum_{k=0}^\left[\frac{n}{2}\right] \left[\dfrac{n}{2}\right] </math>