6) $2\frac{7}{9}\cdot\frac{18}{25}+\frac{9}{60}:(\frac{7}{12}-\frac{3}{5})$.

Question

Вопрос: $Фото задания: 6) $2\frac{7}{9}\cdot\frac{18}{25}+\frac{9}{60}:(\frac{7}{12}-\frac{3}{5})$.$ Фото задания

Accepted Answer

$2\frac{7}{9}\cdot\frac{18}{25}=\frac{25}{9}\cdot\frac{18}{25}=2$.

$\frac{7}{12}-\frac{3}{5}=\frac{35-36}{60}=-\frac{1}{60}$.

$\frac{9}{60}:\left(-\frac{1}{60}\right)=-9$.

$2-9=-7$.

Ответ: $-7$

6) \(2\frac{7}{9}\cdot\frac{18}{25}+\frac{9}{60}:(\frac{7}{12}-\frac{3}{5})\).