(x-y)(-y-x)-(3x三次方y-6x²y²-3xy三次方)/(-3xy)怎样化简?
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/09 00:56:09
(x-y)(-y-x)-(3x三次方y-6x²y²-3xy三次方)/(-3xy)怎样化简?
(x-y)(-y-x)-(3x三次方y-6x²y²-3xy三次方)/(-3xy)怎样化简?
(x-y)(-y-x)-(3x三次方y-6x²y²-3xy三次方)/(-3xy)怎样化简?
(x-y)(-y-x)-(3x³y-6x²y²-3xy³)/(-3xy)
=-(x-y)(x+y)-3xy(x²-2xy+y²)/(-3xy)
=-(x²-y²)+(x²-2xy+y²)
=-x²+y²+x²-2xy+y²
=2y²-2xy
(X-Y)(Y-X)²(X-Y)三次方
3x(x-y)三次方-6y(y-x)二次方 因式分解
(2x+3y)三次方-8x三次方-27y三次方因式分解
因式分解(x+y+z)三次方-x三次方-y三次方-z三次方
计算(-x+y)(x-y)平方(y-x)三次方[(x-y)5次方]三次方*[(y-x)三次方]二次方
(x+y)三次方乘以(x-y)减(x+y)(x-y)三次方(x+y)三次方乘以(x-y)减(x+y)(x-y)三次方因式分解
已知x+y=a,求(x+y)三次方×(2x+2y)三次方×(3x+3y)三次方的值
已知x+y=a,求(x+y)三次方×(2x+2y)三次方×(3x+3y)三次方的值
分解因式:(x+y)3次方(x-y)-(x+y)(x-y)3次方
(x-y)的三次方乘(X-Y)的二次方乘(Y-X)
(x-y)的二次方乘(y-x)的三次方乘(x-y)
计算:5/12[-4/3(x-y)的三次方](x+y)的平方(-x-y)的三次方(y-x)的二次方
(3a/x+y)的三次方乘以(x二次方-y二次方)除以(y-x/y+x)二次方
(x-y)三次方-(y-x)²
计算1):(-x-y) (x+y)二次方 2)(y-x)(x-y)的三次方
(X+Y)的三次方-(X-Y)的平方X+Y)的二次方-(X-Y)的平方
(y-x)三次方 等于
试说明代数式x的三次方y的三次方-1/2x的二次方y+y的二次方-2x的三次方y的三次方+0.5x的二次方y+y的二次方+x的三次方y三次方-2y的二次方-3的值与字母x,y的取值无关求代数式3(x+y)+4(x+y)-6(x+