Выполните действие 4•2/11, 9•5/63, 16•25/48, 3/4•11/6, 17/30•26/51, 15/16•8/25, (1 1/4)2, (11/35 •5/9)•1 4/5, (13/78•3/5)•1 2/3

4•2/11=8/11

9•5/63=5/7

16•25/48=25/3=8 1/3

3/4•11/6=11/8=1 3/8

17/30•26/51=13/45

15/16•8/25=3/10

(11/35 •5/9)•1 4/5=11/35*5/9*9/5=11/35

(13/78•3/5)•1 2/3=13/78*3/5*5/3=13/78