1+2-3+4+5-6+7+8-9+...........+2008+2009-2010+2011

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26 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
1+2-3+4+5-6+7+8-9+...........+2008+2009-2010+2011
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Folosesti suma lui Gauss. Formula pentru suma lui Gauss este: n(n+1)/2. n reprezentand ultimul numar.
2011(2011+1)/2=2011*2012/2=2023066
Răspunsul a fost dat în data 26 Agustus 2025

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