Предмет: Математика, автор: erictiger

Выполните действия, под буквами в,г

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Ответы

Автор ответа: 2ni8sher

Ответ: получаем:

1) $\frac{8*(2\frac{1}{2})^2}{15} -\frac{5}{9} \\\\\frac{8*(\frac{5}{2})^2}{15} -\frac{5}{9} \\\\\frac{2*25}{15} -\frac{5}{9} \\\\\frac{2*5}{3} -\frac{5}{9} \\\\\frac{10}{3} -\frac{5}{9} =\frac{25}{9}$

2) $(\frac{7}{3} *\frac{9}{7} )^3*\frac{2}{3^2} \\\\3^3*\frac{2}{3^2} \\\\3*2=6$

Отметь как лучший, пожалуйста :)

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