Предмет: Алгебра, автор: uchenickmwp

даю 100 баллов за ответ

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Автор ответа: temakoshevoi

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Ответ:

$\frac{0,2+0,3*4 }{0,4*5-0,2*3} \ =\frac{0,2+1,2}{2-0,6} = \frac{1,4}{2-0,6} = \frac{1,4}{1,4}=1$

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