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you qu de jiao gu bian huan ji qi ying yong
Author(s): 
Pages: 63-63
Year: Issue:  4
Journal: ZHONGXUE SHUXUE ZAZHI(CHUZHONG BAN)

Keyword:  应用60年代自然数数学家;
Abstract: 在上个世纪60年代,日本数学家角谷发现了一个非常有趣的现象:对于任何一个大于1的自然数,如果它是偶数,就用它除2;如果它是奇数,则把它乘以3后再加1;就这样经过有限次的运算,最后得到的结果必然是1.可将其表示为:
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