Question

Памагите ришить
задача в картинке↓

Answer 1

Ответ:

1) 8/5*3 1/8= 8/5*25/8= 8*25/5*8=200/40=5

2) 8 1/9+5=118/9=13 1/9

3) 13 1/9÷7/6=118/9÷7/6=118×6/9*7=708/63=236*3/22*3=

11 5/21

4) 4/3+11 5/21=4/3+236/21=7*4+2/21=264/21=88*3/7*3=

12 4/7

Answer 2

4/3+(-73/9 + 8/5•25/8):7/6=4/3+(-73/9+5):7/6 =4:3 -28/9•7/6 = 4/3-4/3•2=4/3-8/3=-4/3