bài 1. 5x-2/3 = 5-3x/2
10x+3/12= 1+ 6+8x/9
7/8x - 5 ( x-9) = 20x + 1.5/6
bài 2. 1/x+1 - 5/x-2= 15/( x+1)(2-x)
1/2x-3 - 3/x( 2x-3)= 5/x
6/x-1 - 4/x-3= 8/2x-6
3/(x-1)(x-2) + 2/(x-2)(x-3) = 1/(x-2)(x-3)
1/x-2 + 5/x+1= 3/2-x
5x/2x+2 + 1= 6/x+1
x+1/x-1 - x-1/ x+1= 4/x^2-1
3x/x-2 - x/x-5= 3x/(x-2)(5-x)
Loga
Sinh Học lớp 12
