A = \(\dfrac{x+2}{x-1}-\dfrac{x+1}{x-3}+\dfrac{3x-1}{x^2-4x+3}\)

B = \(\dfrac{x+2}{x+3}-\dfrac{5}{x^2+x-6}+\dfrac{1}{2-x}\)

C = \(\dfrac{2}{x+1}-\dfrac{1}{x-2}-\dfrac{3x-11}{x^2-x-2}\) D= \(\dfrac{3x^2+3x-3}{x^2+x-2}-\dfrac{x+1}{x+2}-\dfrac{x-2}{x-1}\)

C  = \(\left(\dfrac{x}{x+2}+\dfrac{4x+4}{x^2+2x}\right):\dfrac{x+2}{x}\)

D  = \(\left(\dfrac{3x^2+4}{x^2+2x}-\dfrac{2x-4}{x+2}\right).\dfrac{2x}{x^2-4}\)

E  = \(\dfrac{x+1}{x}:\left(\dfrac{x-1}{x-3}-\dfrac{4x-6}{x^2-3x}\right)\)

G  = \(\dfrac{x^2-6x+9}{x}.\left(\dfrac{2x^2-4x+6}{x^2-2x}-\dfrac{x+1}{x-2}\right)\)
   giải chi tiết giúp mình nhaa:33
 

C = \(\dfrac{2x+1}{x}:\left(\dfrac{x^2-3x+4}{x^2-2x}-\dfrac{1}{x-2}\right)\)
D = \(\dfrac{2+x}{x}:\left(\dfrac{x-1}{x}+\dfrac{2x+1}{x^2+x}\right)\)

A = \(\dfrac{x+2}{x-2}-\dfrac{1}{x}-\dfrac{2}{x^2-2x}\)
B = \(\dfrac{x+2}{x-2}+\dfrac{1}{x}-\dfrac{8}{x^2-2x}\)

a, A = \(\left(\dfrac{x^2-3}{x^2-9}+\dfrac{1}{x-3}\right):\dfrac{x}{x+3}\)
b, B = \(\left(\dfrac{x-1}{x+2}+\dfrac{x}{2-x}\right):\dfrac{3}{x^2-4}\)
c, C = \(\left(\dfrac{15-x}{x^2-25}+\dfrac{2}{x+5}\right):\dfrac{x+1}{2x^2-10x}\)
d, D = \(\left(\dfrac{x+3}{x^2-1}-\dfrac{3}{x+1}\right):\left(1-\dfrac{2}{x-1}\right)\)