Упр.81.Срочно пожалуйста

Question

Упр.81.Срочно пожалуйста

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Answer 1

1)
x = 2/9 * 9/8
x = 1/4

2)
x = 1 * 9/5
x = 9/5
x = 1 4/5

3)
x = 16 * 7/4
x = 28

4)
x = 4/5 * 1/5
x = 4/25

5)
x = 32/45 * 9/16
x = 2/5

6)
x = 7 1/5 : 9/10
x = 36/5 * 10/9
x  = 8