`@` `\text {Ans}`
`\downarrow`
`3/2 - x \div 1/3 = 1/4`
`x \div 1/3 = 3/2 - 1/4`
`x \div 1/3 = 5/4`
`x = 5/4 \times 1/3`
`x =5/12`
Vậy, `x = 5/12.`
\(\dfrac{3}{2}-x:\dfrac{1}{3}=\dfrac{1}{4}\)
\(x:\dfrac{1}{3}=\dfrac{3}{2}-\dfrac{1}{4}\)
\(x:\dfrac{1}{3}=\dfrac{5}{4}\)
\(x=\dfrac{5}{4}\times\dfrac{1}{3}\)
\(x=\dfrac{5}{12}\)