4道初一分式题3/x - 3/x+13/x+y - 1/x-y x/x+2 - 3/x²-41/x+1 + 1/x+1 - x²+1/x²-1

问题描述:

4道初一分式题
3/x - 3/x+1
3/x+y - 1/x-y
x/x+2 - 3/x²-4
1/x+1 + 1/x+1 - x²+1/x²-1