2x的五次方除以(-x)²减去(-x²)³乘以(-7x)
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![2x的五次方除以(-x)²减去(-x²)³乘以(-7x)](/uploads/image/z/942314-50-4.jpg?t=2x%E7%9A%84%E4%BA%94%E6%AC%A1%E6%96%B9%E9%99%A4%E4%BB%A5%EF%BC%88-x%EF%BC%89%26%23178%3B%E5%87%8F%E5%8E%BB%EF%BC%88-x%26%23178%3B%EF%BC%89%26%23179%3B%E4%B9%98%E4%BB%A5%EF%BC%88-7x%EF%BC%89)
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2x的五次方除以(-x)²减去(-x²)³乘以(-7x)
2x的五次方除以(-x)²减去(-x²)³乘以(-7x)
2x的五次方除以(-x)²减去(-x²)³乘以(-7x)
2x的五次方除以(-x)²减去(-x²)³乘以(-7x)
=2x³-7x的7次方