Question

Решите

Answer 1

$15*(\frac{2}{3})^2-10\frac{1}{3}*2=15*\frac{4}{9}-\frac{31}{3}*2=5*\frac{4}{3}-\frac{62}{3}=\frac{20}{3}-20\frac{2}{3}= \\ =6\frac{2}{3}-20\frac{2}{3}=-14$