$\frac{3}{5}$ x $\frac{4}{3}$ - $\frac{1}{4}$ = ........................
$\frac{8}{5}$ : $\frac{4}{5}$ = ...................................
$\frac{5}{2}$ + $\frac{2}{3}$ : $\frac{2}{7}$ =........................
Loga
Sinh Học lớp 12
