Question

(9 - 2 1/7 : 9/14 ) : 2 4/15​

Answer 1

Ответ:

$(9-2\frac{1}{7}:\frac{9}{14} ):2\frac{4}{15} =2\frac{1}{2}$

Пошаговое объяснение:

$1)\frac{15}{7} :\frac{9}{14}= \frac{15}{7} :\frac{14}{19}=\frac{10}{3}$

$2)9-\frac{10}{3} =\frac{27-10}{3}=\frac{17}{3}$

$3)\frac{17}{3} :\frac{34}{15} =\frac{17}{3} :\frac{15}{34}=2\frac{1}{2}$