9(X+Y)的八次方乘以(X-Y)的七次方除以【3(X+Y)³·(X-Y)³】²
9(X+Y)的八次方乘以(X-Y)的七次方除以【3(X+Y)³·(X-Y)³】²等于多少
8(x+y)的八次方(x-y)的七次方÷[2(x+y)³(x-y)³]²
计算题 :(x-y)的3次方乘以(y-x)的4次方除以(y-x)的3次方除以(x-y)
(x-y)平方乘以(x-y)的3次方乘以(y-x)平方乘以(y-x)的3次方
(x-y)的7次方除以(y-x)的6次方+(-x-y)的3次方除以(x+y)的2次方 等于?
{(z+y)(x-y)-(x-y)的2次方+2y(x-y)}除以4y
(x-y)的七次方除以(y-x)的六次方+(-x-y)的三次方除以(x+y)的二次方
(x的4次方-y的4次方)除以(x方+y方)/(x+y)乘以1/(x+y)的平方
(x+3y)(x-3y)(x的2次方-9y的2次方)
(x-y)的十次方除以(y-x)的五次方除以(x-y)
如果x>y>0,x的x次方乘以y的y次方分之x的y次方乘以y的x次方等于
计算:(x-y)的5次方(x-y)²(x-y)³