Bài 1: Thực hiện các phép tính sau
a.\(\frac{11x+10}{3x-3}+\frac{15x+13}{4-4x}\)
b.\(\frac{5x+3}{x^2-3x}+\frac{9-x}{9-3x}\)
c.\(\frac{4xy-1}{5x^2y}-\frac{2xy-1}{5x^2y}\)
d.\(\frac{x+8}{x^2-16}-\frac{2}{x^2+4x}\)
e.\(\frac{x^2-49}{2x+1}.\frac{3}{7-x}\)
f.\(\frac{3x^2-2x}{x^2-1}.\frac{1-x^4}{\left(2-3x\right)^3}\)
g.\(\frac{5xy}{2x-3}:\frac{15xy^3}{12-8x}\)
h.\(\frac{x^2+2x}{3x^2-6x+3}:\frac{2x+4}{5x-5}\)