Tìm $x$ biết: $\Large x \times \dfrac{1}{2} = \dfrac{5}{4}$ \(\La

Tìm $x$ biết:

$\Large x \times \dfrac{1}{2} = \dfrac{5}{4}$

 

• A.

  $\Large x = \dfrac{3}{2}$

• B.

  $\Large x = \dfrac{5}{2}$

• C.

  $\Large x = \dfrac{9}{2}$

• D.

  $\Large x = \dfrac{7}{2}$

$\Large x \times \dfrac{1}{2} = \dfrac{5}{4}$

$\Large x =  \dfrac{5}{4} : \dfrac{1}{2}$

$\Large x =  \dfrac{5}{2}$