In the figure,the 1st pattern consists of 10 dots. For any positive
integer n, the (n+1)th pattern if formed by adding (2n+5) dots to
the nth pattern. Find the number of dots in the 7th pattern.
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(請加步驟解釋)
Number of pattern
2011-10-29 7:58 pm
回答 (1)
2011-10-30 5:14 pm
收錄日期: 2021-04-23 23:27:52
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20111029000051KK00255