(a²-b²)²÷(a-b)²=?(a²-b²)²÷(a-b)²=?和 18(x+y)^8(x-y)^6÷[3(x+y)³(x-y)³]² 第二题中的那个是3(x+y)的三次方 后面的那个多项式也一样
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![(a²-b²)²÷(a-b)²=?(a²-b²)²÷(a-b)²=?和 18(x+y)^8(x-y)^6÷[3(x+y)³(x-y)³]² 第二题中的那个是3(x+y)的三次方 后面的那个多项式也一样](/uploads/image/z/2682808-16-8.jpg?t=%28a%26%23178%3B-b%26%23178%3B%29%26%23178%3B%C3%B7%28a-b%29%26%23178%3B%3D%3F%28a%26%23178%3B-b%26%23178%3B%29%26%23178%3B%C3%B7%28a-b%29%26%23178%3B%3D%3F%E5%92%8C+18%EF%BC%88x%2By%EF%BC%89%5E8%EF%BC%88x-y%29%5E6%C3%B7%5B3%28x%2By%29%26%23179%3B%EF%BC%88x-y%29%26%23179%3B%5D%26%23178%3B+%E7%AC%AC%E4%BA%8C%E9%A2%98%E4%B8%AD%E7%9A%84%E9%82%A3%E4%B8%AA%E6%98%AF3%28x%2By%29%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9+%E5%90%8E%E9%9D%A2%E7%9A%84%E9%82%A3%E4%B8%AA%E5%A4%9A%E9%A1%B9%E5%BC%8F%E4%B9%9F%E4%B8%80%E6%A0%B7)
(a²-b²)²÷(a-b)²=?(a²-b²)²÷(a-b)²=?和 18(x+y)^8(x-y)^6÷[3(x+y)³(x-y)³]² 第二题中的那个是3(x+y)的三次方 后面的那个多项式也一样
(a²-b²)²÷(a-b)²=?
(a²-b²)²÷(a-b)²=?和 18(x+y)^8(x-y)^6÷[3(x+y)³(x-y)³]²
第二题中的那个是3(x+y)的三次方 后面的那个多项式也一样
(a²-b²)²÷(a-b)²=?(a²-b²)²÷(a-b)²=?和 18(x+y)^8(x-y)^6÷[3(x+y)³(x-y)³]² 第二题中的那个是3(x+y)的三次方 后面的那个多项式也一样
(a²-b²)=(a+b)(a-b) 所以第一题=(a²-b²)²÷(a-b)²=(a+b)²(a-b)²/(a-b)²=(a+b)²