Question

Suma a 8 numere naturale impare consecutive este egala cu 192. Determinati cele 8 numere.

Answer 1

fie nr. impare consecutive 2n+1, 2n+3, 2n+5, 2n+7, 2n+9, 2n+11, 2n+13, 2n+15
suma lor este
16n+64=192
16n=192-64
16n=128
n=128/16
n=8
deci nr. sunt
17, 19, 21, 23, 25, 27, 29, 31