Tìm x
$\frac{2}{5} : x = \frac{1}{3}$

Question

$\frac{2}{5} : x = \frac{1}{3} x = \frac{2}{5} : \frac{1}{3} x = \frac{2}{5} x \frac{3}{1} x = \frac{6}{5}$

Answer 1

Trả lời:

Giải bởi Vietjack

$\frac{2}{5} : x = \frac{1}{3} x = \frac{2}{5} : \frac{1}{3} x = \frac{2}{5} x \frac{3}{1} x = \frac{6}{5}$

Tìm x25:x=13