(x-y)³(x-y)²(y-x)等于多少
(x-y)³(x-y)²(y-x)等于多少
(x-y)²×(y-x)³ 等于多少 解法.
(x-y)²(y-x)³等于多少.
(x+y)²-(x+y)³等于多少啊
(x-y)的四次方(x-y)-2(x-y)²(y-x)³等于?
(x-2y)³÷(2y-x)²等于多少? (-x)²×(-x)³等于多少?
x加y等于多少
(x+y)x(x-y)等于多少求解析过程
(x*x+y*y)(x*x+y*y)-(x*x+y*y)=12 求x*x+y*y等于多少
y(x+y)+(x+y)(x-y)-x的平方等于多少
x²+y²等于多少
以知x+x+x+y+y等于44,x+x+y+y+y等于46.x等于多少,y等于多少