计算:(x-y)分之x-(x+y)分之y+(x的平方-y的平方)分之(2xy)
来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/23 08:12:11
计算:(x-y)分之x-(x+y)分之y+(x的平方-y的平方)分之(2xy)计算:(x-y)分之x-(x+y)分之y+(x的平方-y的平方)分之(2xy)计算:(x-y)分之x-(x+y)分之y+(
计算:(x-y)分之x-(x+y)分之y+(x的平方-y的平方)分之(2xy)
计算:(x-y)分之x-(x+y)分之y+(x的平方-y的平方)分之(2xy)
计算:(x-y)分之x-(x+y)分之y+(x的平方-y的平方)分之(2xy)
=[x(x+y)-y(x-y)+2xy]/(x+y)(x-y)
=(x²+xy-xy+y²+2xy)/(x+y)(x-y)
=(x+y)²/(x+y)(x-y)
=(x+y)/(x-y)
计算:y-x分之x+y+x-y分之y-y-x分之2x-y
计算:x-y分之x+y-x分之y
计算 x-2分之x方+1-2-x分之3-4x (x+y)x方-y方分之x方+y-x分之y方
计算:2x-y分之2x+y-2x分之y的结果是( )
计算:(xy分之x+y)方-x方y方分之x方-y方
计算,(x-y-x-y分之4y的平方
计算:(x-y)分之2+y分之x-x分之1
怎么计算x-y分之x^2-x+y
计算[3x分之2-(x+y分之2)乘以[3x分之x+(y-x^2-xy)]除以x分之x-y
计算x-y分之2x + y-x分之 x-2y - x+y分之y的结果是() 化简(y-x分之1)÷(x-y分之1)的结果是
计算 x-y分之1-(x-y)²分之x+yD
计算:x²-y²分之1÷(x+y分之1+x-y分之1)?
分式计算:x+y分之x^2-x+y=?(x+y分之x^2)-x+y=?
x^-2-y-2分之x^-1-y^-1计算
(x-4y)分之(3x)+(4y-x)分之(x+y)-(x-4y)分之(7y)
2分之x+y+3分之x-y;4(x+y)-(x-y)谢谢了,
计算(3y)分之2x+(3y)分之5x(3y)分之2x+(3y)分之5x(x+y)分之2y-(y+x)分之y-x(x²+3x)分之x²+9x+(x²+6x+9)分之x²-9
计算:(2y分之x)² ×2x分之y - y²分之x ÷ x分之2y²