Question

calcule a soma dos 20 primeiros termo sucessão (10,13,16...)

Answer 1

10, 13, 16, 19, 21, 24,27, 30, 33, 36, 39,42, 45, 48, 51, 54, 57, 60, 63, 66

Answer 2

10,13,16,19,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66

a soma é 770