Question

Pune paranteze pentru a obtine relatii adevarate : 15-8+7=0
b/90-80-20=30
c/200-450-250=0
d/83-43-14-6+48
e/100-20-200-180=60
f/60-60-60-60=0
Ms anticipat.

Answer 1

15-(8+7)=0
90-(80-20)=30
200-(450-250)=0
83-(43-14)-6=83-29-6=54-6=48
100-20-(200-180)=60
60-60-(60-60)=0