番易to中文
1)Prove that (5n+1)matches are needed to form a figure of n rectangles as shown on the right.
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2006-11-06 12:03 am
回答 (1)
2006-11-06 8:43 am
✔ 最佳答案
證明右邊的ｎ個長方形需要（５ｎ＋１）條火柴砌。
收錄日期: 2021-04-12 20:22:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061105000051KK03319