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a fost răspuns

Calculati suma lui Gauss:
24+17+27+21+30+25+......+60+65

Răspuns :

MiniIdk
S = 3 * [(1+2+3+4+5+6+7+8+9+10+... +37+38) – 1-2-3-4-5-6-7]
S = 3 * [(38 * 39):2 – (1 + 2 + 3 + 4 + 5 + 6 + 7)]
S = 3 * [(19 * 39) – (7 * 8):2]
S = 3 * (741 – 56:2)
S = 3 * (741 – 28)
S = 3 * 713
S = 2139

Sper ca e ok!

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