Verified answer

Ответ:

1)х-2 7/12=5 3/18

х=5 3/18+2 7/12

х=7 3/4

2)х-26 7/21=100 5/28

х=100 5/28+26 7/21

х=126 43/84

3)х-37 17/54=15 16/45

х=15 16/45+37 17/54

х=52 181/270

4)х-33 21/25=42 17/35

х=42 17/35+33 21/25

х=76 57/175