(1)16(x+y)^2-25(x-y)^2 (2)x^2(x-y)^2-4(y-x)^2 多项式(1)16(x+y)^2-25(x-y)^2(2)x^2(x-y)^2-4(y-x)^2多项式分解
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(1)16(x+y)^2-25(x-y)^2(2)x^2(x-y)^2-4(y-x)^2多项式(1)16(x+y)^2-25(x-y)^2(2)x^2(x-y)^2-4(y-x)^2多项式分解(1)1
(1)16(x+y)^2-25(x-y)^2 (2)x^2(x-y)^2-4(y-x)^2 多项式(1)16(x+y)^2-25(x-y)^2(2)x^2(x-y)^2-4(y-x)^2多项式分解
(1)16(x+y)^2-25(x-y)^2 (2)x^2(x-y)^2-4(y-x)^2 多项式
(1)16(x+y)^2-25(x-y)^2
(2)x^2(x-y)^2-4(y-x)^2
多项式分解
(1)16(x+y)^2-25(x-y)^2 (2)x^2(x-y)^2-4(y-x)^2 多项式(1)16(x+y)^2-25(x-y)^2(2)x^2(x-y)^2-4(y-x)^2多项式分解
.简单
16(x+y)^2-25(x-y)^2
(x-y)(x-y)2(y-x) (x+2y-?)(x-2y+?)
因式分解 (1).(x+y)(x+y-6)+9 (2).x²-16y²-x-4y
计算:1/(2x) - 1/(x+y)((x+y)/(2x) - x - y)
化简1/2x-1/x+y(x+y/2x-x-y)
计算2x/1-x+y/1·(2x/x+y-x-y)
1/2x-(x+y/2x -x-y)÷(x+y)
(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)
分式的加减:[(x/y-y/x)除以(x+y)+x(1/y-1/x)]除以1+x/y,其中x=5,y=2
对于(y一撇)y`=y/x(y-1)求导,我求的结果是y``=-y^2-y`x+y/x^2(y-1)^2 怎么不对啊,我的求导过程是:y`x(y-1) - [x(y-1)]` y y`xy-y`x-(y-1+xy`)y -y^2-y`x+yy``=-------------------------=----------------------=-----------------x^2 (y-1
(x-y/x+2y)³
(x/x+y +2y/x+y)乘以xy/ x+2y除以(1/x+1/y)(2)(3x^2/4y)^2乘以2y/3x+ x^2/2y^2除以2y^2/x
(x+y)^2-z^=a^2-(b-c)^2=(x-y)^3-x+y=16(x+y)^2-25(x-y)^2=
1.x(x-y)+y(y-x)2.9(a-b)^2-16(a+b)^2 3.25(x-y)^2+10(y-x)+1
3(x-1)³y-(1-x)³z m(x-y)²-x+y x²(x+y)(y-x)-xy(x+y)(x-y) 因式分解
因式分解(1)、m²(x-y)+n²(y-x) (2)16(x+y)²-25(x-y)²