Question

Calculează suma Gauss
1+4+7+...97+100​

Answer 1

Răspuns:

1+4+7+...+97+100=

$3 \times \frac{n(n + 1)}{2}}</p><p><strong>[tex]3 \times {100(100 + 1)}^{2} \\ 3 \times \frac{100 \times 101}{2} \\ 3 \times \frac{10100}{2} \\ 3 \times 5050 = 15150$

Sper ca te-am ajutat :)