作业帮计算：(x-2y)^2-(x+2y)(2y-x)
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/04 08:53:03
xRKN#1
%.euCb/A4#n.vf1+4
8 lz쪧\6O=x
n>> ݲmWX3)4mqq2~ܫf搱0ꦚΦ:܍=VuSv_c#
z %HH{ЂCᔒ^y`N@"J pIs(FMw"z",D17wN
VSs Ͽ[bV6,[K;Ƈ䒌Ex!#ZU%ᘢW%Ǎ&R6۪C|6
L2$ r2~G-li'_|ǓS[7
(B
计算：(x-2y)^2-(x+2y)(2y-x)
计算：(x-2y)^2-(x+2y)(2y-x)
计算：(x-2y)^2-(x+2y)(2y-x)
(x-2y)^2-(x+2y)(2y-x)
=(x-2y)^2+(x+2y)(x-2y)
=(x-2y)(x-2y+x+2y)
=(x-2y)·2x
=2x(x-2y)
一2X^2(2y一x)
计算:y-x分之x+y+x-y分之y-y-x分之2x-y
计算2x/x-y
计算:(x+2y)(2x-y)
计算:(x+3y)(2x-y)
计算:(2x-3y)(x+y)
计算:(-x-2y) * (3x-y)
计算：(x+y)-3(x-2y).
计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x
计算：[(x+y)(x-y)-(x-y)^2+2y(x-y)]/(-2y)
计算:(x-y)^2*(y-x)^2*(x-y)^6
计算(x-y)(y^2-x^2)(-x-y)
计算(x+y)(x+y)^2(-x-y)^3
3x(x-y)+2y(x-y) 计算
计算：（x-y）^2-(x+y)(x-y)
（x-2y）(x+y)+（x+y）计算
计算[2x^2-(x+y)(x-y)][(-x-y)(y-x)+2y^2]
计算：x+2y/x-y+2x/y-x-3y/x-y
计算(2x+y)(x-y)-(2x+y)(y-2x)+(2x^2y-y)^2/(-y^2)