Question

найдите значение выражение (5/6+2.2/5)7.5

Answer 1

***Решение на фото***

Answer 2

$\frac{5}{6} +2 \frac{2}{5}= \frac{12}{30}+ 2\frac{25}{30} = 2 \frac{37}{30}=3 \frac{7}{30}$
$3 \frac{7}{30}* 7\frac{5}{10} = \frac{97}{30}* \frac{75}{10} = \frac{7275}{300}= 24 \frac{75}{300}$