计算x/x+y·x²+2xy+y²/x²

来源：学生作业帮助网编辑：六六作业网时间：2024/11/23 04:45:25

计算x/x+y·x²+2xy+y²/x²计算x/x+y·x²+2xy+y²/x²计算x/x+y·x²+2xy+y²/x&

计算x/x+y·x²+2xy+y²/x²
计算x/x+y·x²+2xy+y²/x²

计算x/x+y·x²+2xy+y²/x²
原式=x/(x+y)*(x+y)²/x²
=(x+y)/x