Автор - user300818

1.2.4.5 реликт пжпхпхпхпх

Ответ

Автор - diana145624

Решение :

1 - а) 2/5•1/7 = 2/35

б) 2•2/3•5/16 = 2/3•5/8 = 1/3•5/4 = 5/12

в) 3/4•2 = 3/2

2 - а) 7/9:4/5 = 7/9•5/4 = 35/36

б) 8:1•1/3 = 8/3

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