52-20:5 З6-4*9 49+30:6 40+7*5 18:9+58 60-8*4

Question

52-20:5 З6-4*9
49+30:6 40+7*5
18:9+58 60-8*4

Comments

да

Answer 1

52-20:5 =48
36-4*9=0
49+30:6=54
18:9+58=60
60-8*4=28

Comments

почему?