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FlorinKing
a fost răspuns

Daca A=2017+2×(1+2+3+...+2016), atunci calculati A:2017<Dau coroana!!!!>

Răspuns :

Y29795467

Dupa regula lui Gaus calculam 1+2+3+4+....+2016=2017×1008

2017+2 ×2017×1008=2017+2016×2017 =2017 (1+2016)=2017^2=4068289

Coroana?


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