Răspuns :
n
n+1
n+2
____
3n+3=-15
3n=-18
n=-6
Numerele sunt -6, -5, -4.
(-6)×(-5)×(-4)=(-120)
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
n
n+1
n+2
____
3n+3=-15
3n=-18
n=-6
Numerele sunt -6, -5, -4.
(-6)×(-5)×(-4)=(-120)
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