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dkaldubaeva
@dkaldubaeva
July 2022
1
7
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Помогите с примерами 5 класс (10/13×11/12)×(12/55×13/20),15/19×(19/25×7/9)×5/7
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plotnikov2009
Переместительный закон умножения тут уместен, а звтем сокращаем что можно
(10/13*13/20)*(12/55*11/12)=1/2*1/5=1/10
(15/19*19/25)*(7/9*5/7)=3/5*5/9=1/3
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Answers & Comments
(10/13*13/20)*(12/55*11/12)=1/2*1/5=1/10
(15/19*19/25)*(7/9*5/7)=3/5*5/9=1/3