Question

срочно!!! 20 минут!!!

Answer 1

1)352=360
88=90
360:90=4
2)504=540
56=60
540:60=9
3)498=500
83=80
500:80= 6.25
4)2748=2700
458=500
2700:500=5.4
5)6288=6400
78=80
6400:80=8