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#2
leeqihero2016-06-15 10:44
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【程序1】
题目:有1、2、3、4个数字,能组成多少个互不相同且无重复数字的三位数?都是多少?
1.程序分析:可填在百位、十位、个位的数字都是1、2、3、4。组成所有的排列后再去
掉不满足条件的排列。
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leeqihero2016-06-15 10:44
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leeqihero2016-06-15 10:55
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leeqihero2016-06-15 11:43
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leeqihero2016-06-15 11:45
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leeqihero2016-06-15 13:11
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leeqihero2016-06-15 13:12
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leeqihero2016-06-15 21:17
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leeqihero2016-06-15 21:18
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leeqihero2016-06-15 21:27
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leeqihero2016-06-15 21:27
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leeqihero2016-06-15 21:32
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leeqihero2016-06-16 08:50
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leeqihero2016-06-16 08:55
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leeqihero2016-06-16 11:25
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leeqihero2016-06-16 11:28
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leeqihero2016-06-16 11:39
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leeqihero2016-06-16 11:40
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leeqihero2016-06-16 11:59
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leeqihero2016-06-16 12:00
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leeqihero2016-06-16 12:06
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leeqihero2016-06-16 12:45
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leeqihero2016-06-16 12:45
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leeqihero2016-06-16 12:46
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leeqihero2016-06-16 12:49
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leeqihero2016-06-16 12:49
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leeqihero2016-06-16 13:00
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leeqihero2016-06-16 13:00
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leeqihero2016-06-16 14:35
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leeqihero2016-06-16 14:37
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龙神2016-06-16 15:31
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leeqihero2016-06-16 18:17
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leeqihero2016-06-16 18:20
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小白老黑2016-12-24 16:07
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独善其身xjs2017-03-20 12:56
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淡墨悦儿2017-08-07 18:46
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