Question

Daca a=3×3 b=3×2 c=5×3
a+b+c=
a+b-c=
c-a+b=

Answer 1

1)=30 adica 9+6+15

2)=0 adica 9+6-15

3)=12 adica 15-9+6

Answer 2

a=9
b=6
c=15

a+b+c = 9+6+15 = 30
a+b-c = 9+6-15 = 0
c-a+b = 15-9+6 = 12