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‘9(x+y)的8次方乘(x-y)的7次方除以【3乘(x+y)的3次方乘(x-y)的3次方】的2次方
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![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‘9(x+y)的8次方乘(x-y)的7次方除以【3乘(x+y)的3次方乘(x-y)的3次方】的2次方](/uploads/image/z/1064287-55-7.jpg?t=9%EF%BC%88X%2BY%29%E7%9A%84%E5%85%AB%E6%AC%A1%E6%96%B9%E4%B9%98%E4%BB%A5%EF%BC%88X-Y%29%E7%9A%84%E4%B8%83%E6%AC%A1%E6%96%B9%E9%99%A4%E4%BB%A5%E3%80%903%EF%BC%88X%2BY%EF%BC%89%26%23179%3B%C2%B7%EF%BC%88X-Y%29%26%23179%3B%E3%80%91%26%23178%3B%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%E2%80%989%EF%BC%88x%2By%EF%BC%89%E7%9A%848%E6%AC%A1%E6%96%B9%E4%B9%98%EF%BC%88x-y%29%E7%9A%847%E6%AC%A1%E6%96%B9%E9%99%A4%E4%BB%A5%E3%80%903%E4%B9%98%EF%BC%88x%2By%29%E7%9A%843%E6%AC%A1%E6%96%B9%E4%B9%98%EF%BC%88x-y%29%E7%9A%843%E6%AC%A1%E6%96%B9%E3%80%91%E7%9A%842%E6%AC%A1%E6%96%B9)
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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‘9(x+y)的8次方乘(x-y)的7次方除以【3乘(x+y)的3次方乘(x-y)的3次方】的2次方
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
‘9(x+y)的8次方乘(x-y)的7次方除以【3乘(x+y)的3次方乘(x-y)的3次方】的2次方
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‘9(x+y)的8次方乘(x-y)的7次方除以【3乘(x+y)的3次方乘(x-y)的3次方】的2次方
化简得(x+y)²×(x-y)
最后得 x³+x²y-xy²-y³
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‘9(x+y)的8次方乘(x-y)的7次方除以【3乘(x+y)的3次方乘(x-y)的3次方】的2次方
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(x-y)的三次方乘以(x-y)的二次方乘以(y-x) 等于多少
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