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全日制十年制学校高中数学课本第三册复习题四中通过一个堆积问题,要求学生找出求和的公式,并用数学归纳法予以证明。此题解法不一,这里不作评述,现在我们把问题推广一下,引进一个解决这类问题的一般公式。
The third-round mathematics textbook for high school mathematics textbooks in full-time 10-year schools passes a stacking question and asks students to find out the formula for summation and prove it with mathematical induction. The solution to this problem is not the same. We will not comment here. Now we will promote the problem and introduce a general formula to solve this type of problem.