Question

Puneti paranteze in egalitatile de mai jos pentru a obtine:
c=d si
x=y

c= 2x20 :2+3
d= 8+5x4:2
x=14:7+20:2
y=5+6x2-11
Multumesc anticipat.

Answer 1

c=2×(20:2+3)=2×(10+3)=2×13=26
d=(8+5)×4:2=13×4:2=52:2=26

x=(14:7+20):2=(2+20):2=11
y=(5+6)×2-11=11×2-11=11