Question

Suma a 7 nr intregi impare consecutive este 7.aflati numerele

Answer 1

a+b+c+d+e+f+g=7            b=a+2   c=a+4   d=a+6 e=a+8 f=a+10 g=a+12

a+a+2+a+4+a+6+a+8+a+10+a+12=7=>7a+42=7=>7a=-35=>a=-5

b=-3  c=-1  d=1 e=3 f=5 g=7