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Автор - qqq3366

Помогите пожалуйста с математикой

Ответ

Автор - kholyavskij

Ответ:

2/5:6*7=1/15*7=7/15

Ответ

Проверено экспертом

Автор - NNNLLL54

frac{frac{2}{5}cdot 7}{2cdot 3}=frac{2cdot 7}{5cdot 2cdot 3}=frac{7}{5cdot 3}=frac{7}{15}

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