题目看清楚
x^2+2xy+y^2-10y+26=0
题目有问题吧？
2xy不对啊
已知x^2+2xy+y^2-10y+26=0,求(1)x+2y的平方根 (2)2y+2x的立方根
题目看清楚
x^2+2xy+y^2-10y+26=0
题目有问题吧？
2xy不对啊
题目看清楚
x^2+2xy+y^2-10y+26=0
题目有问题吧？
2xy不对啊
题目看清楚
x^2+2xy+y^2-10y+26=0
题目有问题吧？
2xy不对啊
题目看清楚
x^2+2xy+y^2-10y+26=0
题目有问题吧？
2xy不对啊