数学论坛菜鸟 发表于 2013-1-9 20:22

急,感激不尽!请教数学专家!50个0和1能出现多少个数组?

100000000000000000000000000000000000000000000000
010000000000000000000000000000000000000000000000
001000000000000000000000000000000000000000000000
000100000000000000000000000000000000000000000000
000010000000000000000000000000000000000000000000
................................................
010100100000000000000000000000000000000000000000
010100010100000000000000000000000000000000000000
这样一直下去,能有多少个数组呢?

弘道 发表于 2014-7-28 22:48

谢谢楼主……辛苦啦!………………
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