通分.2x+6y/(x-3y), x/(x-9y^2), 1/(x^2-6xy+9y^2),就这一题了
通分.2x+6y/(x-3y), x/(x-9y^2), 1/(x^2-6xy+9y^2),就这一题了
初二数学通分问题2x+6y/x—3y和x/x—9y²和1/x²6xy+9y²
求通分 2x+6y/x-3y,x/x-9y²,1/x²-6xy+9y²
通分x-y/2x+2y与xy/(x+y)的2次方
2x+2y/x-y与(x²+y²)/xy通分
(x-y)/(2x+2y)与(xy)/(x+y)²通分要过程
化简:x-y/x+3y÷x^-y^2/x^2+6xy+9y^2-(xy/x+y)
2xy/(x+y)(x+y)与x/(x+y)(x-y)怎么通分
(x-2xy)*(-xy+2y*y)-(3x*x-2xy)(x-9xy+6y*y)
通分:(1)3分之x与6分之1-x与x+5分之x的平方-x (2)3y的平方分之(x-y)(x-2)和3xy分之(x-y
通分(1)6c/a²b与c/3ab² (2)x - y/2x+3y与xy/(x+y)²
1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y)