|$\dfrac{1}{3}$ - $\dfrac{1}{2}$ |
|$\dfrac{3}{2}$ + $\dfrac{5}{4}$ |
|$\dfrac{-6}{5}$ + $\dfrac{-1}{2}$ |
|$\dfrac{7}{3}$ + $\dfrac{-5}{2}$ |
Loga
Sinh Học lớp 12
