Question

найти a+2c+3e/b+2d+3f

Answer 1

Ответ:

$k$

Пошаговое объяснение:

$\frac{a}{b}=\frac{c}{d}= \frac{e}{f}=k\\\\\\\frac{a}{b}=k\;\;=>a=kb\\\\\frac{c}{d}=k\;\;=>c=kd\\\\\frac{e}{f}=k\;\;=>e=kf\\\\\\\\\\\frac{a+2c+3e}{b+2d+3f}=\frac{kb+2kd+3kf}{b+2d+3f}=\frac{k(b+2d+3f)}{b+2d+3f}=k$