(x-y)^2+7(x+y)-11(x-y)^2-8(X+Y)的计算过程
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(x-y)^2+7(x+y)-11(x-y)^2-8(X+Y)的计算过程
(x-y)^2+7(x+y)-11(x-y)^2-8(X+Y)的计算过程
(x-y)^2+7(x+y)-11(x-y)^2-8(X+Y)的计算过程
(x-y)^2+7(x+y)-11(x-y)^2-8(X+Y)
=(1-11)(x-y)^2+(7-8)(x+y)
=-10(x-y)^2-(x+y)
-10(x-y)^2-(x+y)
(x-y)^2+7(x+y)-11(x-y)^2-8(x+y),先化简.再求值
(x-y)^2+7(x+y)-11(x-y)^2-8(X+Y)的计算过程
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
化简3(x-y)-7(x--y)+2(y-x)
化简y(x+y)+(x+y)(x-y)-x^2
因式分解x(x+y)(x-y)-x(x+y)^2
(x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2
【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)
x^2(x-y)+(y-x)
x(x-y)2-(y-x)3
{(x,y) |x|+|y|
x>y?x:y
大括号x+y/2+x-y/3=11/6 4(x+y)-5(x-y)=7 快
(x-y)的平方+7(x+y)-11(x-y)的平方-8(x+y)
求做因式分解12(x+y)^2+11(x+y)(x-y)+2(x-y)^2
计算:y-x分之x+y+x-y分之y-y-x分之2x-y
4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11
3(x+y)-4(x-y)=11,2(x-y)+5(x+y)=27