Question

(2,25:15/8):11/9-3,5=

Answer 1

1)2,25:15/8=1целая1/5.
2)1целая1/5:11/9=54/55
3)54/55-3,5=-2целых57/110

Answer 2

2 25100:158=2 14:158=94:158=1815=1  315=1 15
1 15:119=65:119=5455
5455-3 510=-2 57110