计算:(2x方+xy-4x-2y)÷(2-x)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/25 11:41:21
计算:(2x方+xy-4x-2y)÷(2-x)
计算:(2x方+xy-4x-2y)÷(2-x)
计算:(2x方+xy-4x-2y)÷(2-x)
![计算:(2x方+xy-4x-2y)÷(2-x)](/uploads/image/z/19391045-5-5.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A%EF%BC%882x%E6%96%B9%2Bxy-4x-2y%EF%BC%89%C3%B7%EF%BC%882-x%EF%BC%89)
(2x^2+xy-4x-2y)÷(2-x)
=[ (2x^2-4x) + (xy-2y) ]÷(2-x)
=[ 2x(x-2)+ y(x-2)]÷(2-x)
=(x-2)(2x+y) ÷(2-x)
= - (2x+y)
=-2x-y
=[ (2x^2-4x) + (xy-2y) ]÷(2-x)
=[ 2x(x-2)+ y(x-2)]÷(2-x)
=(x-2)(2x+y) ÷(2-x)
= - (2x+y)
=-2x-y
1.计算 (-x方+2xy-y方)-2(xy-3x方)+3(2y方-xy)
已知:3x方+xy-2y方=0,求(x+y/x-y + 4xy/y方-x方)除以 x方+2xy-3y方 / x方-9y方
2道分式计算1、 x-1分之x方-x-12、 x分之x方-y方÷(x-x分之2xy-y方)要过程谢谢1、 (x-1分之x
计算4x方-4xy+y方-4x+2y-15 4x方y方-5x方y方-9y方
计算:3xy[2xy-x(y-2)+x]
x方(y方-1)加2x(y方-1)+(y方-1) 因式分解 计算 (-7x方y)(2x方y-3xy的立方+xy)
(x的平方加4y方-2xy)(x 方+4y方+2xy)(x+2Y)(x-2Y)
计算;(xy-x²)÷x²-2xy+y²/xy · x-y/x²
计算:(2xy-x方)÷xy分之x-2y
(x-2y)(x方-2xy+4y方)=?
2x方+xy-y方-4x+5y-6(分解因式),谢谢!
(-4X²Y)(-X²Y²)÷1\2XY 的三次方