Question

suma a trei nr intregi consecutive este -15.calculati produsul acestor nr

Answer 1

n

n+1

n+2

____

3n+3=-15

3n=-18

n=-6

Numerele sunt -6, -5, -4.

(-6)×(-5)×(-4)=(-120)

Answer 2

a+b+c=-15

b=a+1

c=a+2

a+a+1+a+2=-15

3a+3=-15 |-3

3a=-18 |:3

a=-6

b=-6+1=-5

c=-6+2=-4

axbxc= (-6)x(-5)x(-4)=-120