Đáp án:
Giải thích các bước giải:
3/5:x=2/3+1/6
⇒3/5:x=4/6+1/6
⇒3/5:x=5/6
⇒ x=3/5:5/6
⇒ x=3/5x6/5
⇒ x=18/25
$\dfrac{3}{5}:x=\dfrac{2}{3}+\dfrac{1}{6}$
$ $
$⇒\dfrac{3}{5x}=\dfrac{5}{6}$
$⇒25x=18$
$⇒x=\dfrac{18}{25}$
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