Помагите номер1121, 1123

Question

Помагите номер1121, 1123

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Comments

Нормально сфоткай

Answer 1

1) 3) 3/8*4/5*10/9=1/3
2)6/7*5/3*7/5=2
4)11/23*23/7*11/2=121/14

Answer 2

#1
1)=3/8*4/5*10/9=120/360=12/36=1/3
2)=6/7*5/3*7/5=6*5*7/7*3*5=6/3=2
3)=3/8*4/5*10/9=120/360=1/3
4)=11/23*23/7*2/11=11*23*2/23*7*11=2/7