giai giup mik vs
A=$\sqrt[2]{3x-4-2\sqrt[2]{3x-5}}$
B= $\frac{2 \sqrt[2]{a-9} }{a-5\sqrt[2]{a}+6}$- $\frac{\sqrt[2]{a}+3}{\sqrt[2]{a}-2}$- $\frac{2\sqrt[2]{a}+1}{3-\sqrt[2]{a}}$
C=($\frac{x+2}{3x}$+ $\frac{2}{x+1}$--3): $\frac{2-4x}{x+1}$- $\frac{3x-x^{2}+1}{3x}$
D= $\sqrt[2]{11-2\sqrt[2]{10}}$
Loga
Sinh Học lớp 12
