Question

Determinati valoarea expresiei x-y+z, daca:
a) x=-3 , y=-7 , z=-12
b) x=9 , y=12 , z=-8
c) x=-21 , y=-6 , z=17
                                      Va rog!!!

Answer 1

a.-22 b.13 c.10........

Answer 2

a) -3-7+(-12)=-10-12=-22
b) 9-12+(-8)=-3-8=-11
c) -21-6+17=-27+17=-10