将分式1/x-2,2/3x-6,3/x³-4x通分后,它们分别是_________________________________

问题描述:

将分式1/x-2,2/3x-6,3/x³-4x通分后,它们分别是_________________________________

1/x-2
2/3(x-3)
3/x(x-2)(x+2)
所以通分后为3x(x+2)(x-3)/3x(x+2)(x-2)(x-3)
2x(x-2)(x+2)(x-3)/3x(x-3)(x-2)(x+2)
9x(x-3)/3x(x-2)(x+2)(x-3)