化简x²+xy/x²-xy÷(x+y)÷-x/y²-xy
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/27 22:19:35
化简x²+xy/x²-xy÷(x+y)÷-x/y²-xy化简x²+xy/x²-xy÷(x+y)÷-x/y²-xy化简x²+xy/x
化简x²+xy/x²-xy÷(x+y)÷-x/y²-xy
化简x²+xy/x²-xy÷(x+y)÷-x/y²-xy
化简x²+xy/x²-xy÷(x+y)÷-x/y²-xy
原式=x(x+y)/x(x-y)*1/(x+y)*y(x-y)/x
=(x+y)/(x-y)*1/(x+y)*y(x-y)/x
=1/(x-y)*y(x-y)/x
=y/x