(x+y)^2+10(x+y)+25
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(x+y)^2+10(x+y)+25
(x+y)^2+10(x+y)+25
(x+y)^2+10(x+y)+25
(x+y)^2+10(x+y)+25
=(x+y+5)²
将x+y看成一个整体
(x-y)^2+10(y-x)+25因式分解 (x-y)²-10(y-x)+25(x-y)²+10(y-x)+25只要结果
计算(x+y)^2+10(y-x)+25
(x+y)^2+10(x+y)+25
2x-y)²-10(2x-y)+25(2x-y)²-10(2x-y)+25
已知(x+y)(x+y-10)+25=0,且x-y=2,求x,y的值?
(x-y)(x-y)2(y-x) (x+2y-?)(x-2y+?)
(x-2y)(x+y)+(x+y)计算
计算:(x-y)^2-(x+y)(x-y)
2(x-y)²-3(x-y)(-y-x)
25x的二次方-10x(x-y)+(x-y)的2次方
计算(25x^2y^3z-10x^3 y^2)/5x^2y*y
(x-y/x+2y)³
若x-y不等于0,2x-3y=0,则分式(10x-11y)/(x-y)的值是()?(10x-11y)/(x-y) =[(8x-8y)+(2x-3y)]/(x-y) =8为什么8X-8Y=8?(10x-11y)/(x-y)=[(8x-8y)+(2x-3y)]/(x-y)=8+(2x-3y)]/(x-y)=8+0=8
(x+y)²+10(x+y)+25
(y-x)²-10x+10y+25因式分解,
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
16(x+y)^2-25(x-y)^2
化简 (x+2)平方-(x-y)(y-x)是(x+y)平方-(x-y)(y-x)