作业帮1.(3x^2y-xy^2+2/1xy)除以(-2/1xy) 2.(16x^3-8x^2+4x)除以(-2x) 3.[6
来源：学生作业帮 编辑：作业帮 分类：数学作业 时间：2024/11/08 12:02:20
1.(3x^2y-xy^2+2/1xy)除以(-2/1xy) 2.(16x^3-8x^2+4x)除以(-2x) 3.[6(2x-y)^2-x(2x-y)]除以(2x-y)
计算题
计算题
1.(3x^2y-xy^2+2/1xy)除以(-2/1xy)
=3x^2y除以(-2/1xy) -xy^2除以(-2/1xy) +2/1xy除以(-2/1xy)
=-6x+2y-1
2.(16x^3-8x^2+4x)除以(-2x)
=16x^3除以(-2x) -8x^2除以(-2x) +4x除以(-2x)
=-8x^2+4x-2
3.[6(2x-y)^2-x(2x-y)]除以(2x-y)
=6(2x-y)^2除以(2x-y)-x(2x-y)除以(2x-y)
=6(2x-y)-x
=13x-6y
=3x^2y除以(-2/1xy) -xy^2除以(-2/1xy) +2/1xy除以(-2/1xy)
=-6x+2y-1
2.(16x^3-8x^2+4x)除以(-2x)
=16x^3除以(-2x) -8x^2除以(-2x) +4x除以(-2x)
=-8x^2+4x-2
3.[6(2x-y)^2-x(2x-y)]除以(2x-y)
=6(2x-y)^2除以(2x-y)-x(2x-y)除以(2x-y)
=6(2x-y)-x
=13x-6y
1.(2x/x平方-1)-(1/x-1) 2.（xy-x的平方）除以(x的平方-2xy+y的平方/xy)×（x-y /
已知X+Y=3XY,求2X+2Y-XY除以X+Y+2XY的值,要算理.
[(xy-2)(-xy-2)-4(xy-1)^2]除以(-xy),其中x=20,y=-25分之1
已知xy除以x+y=2,求代数式8x-5xy+8y除以-x+3xy-y的值
若(2x-14xy-2y)除以(x-2xy-y)=4,则1/x-1/y=
计算3xy[2xy-x(y-2)+x-1]
化简求值1.x^2+2xy+y^2/x^2-y^2除以x^2+xy/xy-y^2X=1Y=-2011
已知X+Y=2XY,求4X-5XY+4Y 除以X+XY+Y 的值
1.（x^2y-xy^2)除以（x-y) 2.x^2-5x-+6 3.3x^2-8x+4 解方程1,x^2-4x+3 =
1.若x-2√xy-3y=0 x>0求2x+y+√xy除以y-x-√xy
化简求值：[x(xy-1)^2-(xy+2)(2-xy)]除以4分之1xy,其中x=-2,y=5分之1.
[3xy(1-x)-6xy(x-1/2)]*2x*(-xy)平方,x=-1 y=2 ； 3xy平方（-1/3x平方y+4