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m, n naturale
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m, n naturale
Posted:
Fri Jul 04, 2008 3:10 pm
by
BogdanCNFB
Fie m, n doua numere naturale. Sa se arate ca:
\( \sum_{k=0}^{mn-1} (-1)^{[\frac{k}{m}]+[\frac{k}{n}]}\ge 0 \)