Вычислите 3007-49*(30+20)= 522+450:(9:3)=

Question

Вычислите
3007-49*(30+20)=
522+450:(9:3)=

Answer 1

1) 3007 -49 *(30+20)=557
1. 30+20=50
2. 49*50=2450
3. 3007-2450=557
2)522+450:(9:3)=672
1. 9:3=3
2. 450:3=150
3. 522+150=672

Answer 2

1) 557 ...........
2)672