Автор - amira94

Помогите пожалуйста..

Ответ

Автор - olgamelnikova123

4) 2 2/5 - (1/4+7/10) = 2 8/20 - (5/20+14/20) = 2 8/20 - 19/20 =

1 9/20


5) 9 - (1 5/8 + 3/20) = 9 - (1 25/40 + 6/40) = 9 - 1 31/40 = 7 9/40


6)4 5/6 - (2 3/8 + 7/12) = 4 20/24 -

- (2 9/24 + 14/24) = 4 20/24 -

- 2 23/24 = 1 21/24

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