Verified answer

Ответ:1) x/11=2 2/11

x =2 2/11 × 11

x = 24/12× 11/1

x =22

2) x = 5 112/145 × 145

x =837

3)x = 35/7 : 5/7

x = 35/7× 7/5

x=7

4)x= 111/4 : 21/4

x = 111/4 × 4/21

x= 5 2/7