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$m$ 整除 $10^k$ 的一个充分条件

时间:2014-03-21 12:21:44      阅读:530      评论:0      收藏:0      [点我收藏+]

(1) 既约分数 bubuko.com,布布扣nbubuko.com,布布扣bubuko.com,布布扣mbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣 满足 0<bubuko.com,布布扣nbubuko.com,布布扣bubuko.com,布布扣mbubuko.com,布布扣bubuko.com,布布扣<1bubuko.com,布布扣 ;

(2) 分数 bubuko.com,布布扣nbubuko.com,布布扣bubuko.com,布布扣mbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣 可以化为小数部分的一个循环节有 kbubuko.com,布布扣 位数字的纯循环小数, 则 mbubuko.com,布布扣 10bubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣 的余数为 1bubuko.com,布布扣 .

 

证明: 由 (2),

bubuko.com,布布扣nbubuko.com,布布扣bubuko.com,布布扣mbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣=0.abubuko.com,布布扣1bubuko.com,布布扣?abubuko.com,布布扣kbubuko.com,布布扣abubuko.com,布布扣1bubuko.com,布布扣?abubuko.com,布布扣kbubuko.com,布布扣?bubuko.com,布布扣=bubuko.com,布布扣abubuko.com,布布扣1bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣bubuko.com,布布扣+?+bubuko.com,布布扣abubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣+bubuko.com,布布扣abubuko.com,布布扣1bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣k+1bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣+?+bubuko.com,布布扣abubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣2kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣+?bubuko.com,布布扣=(bubuko.com,布布扣abubuko.com,布布扣1bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣bubuko.com,布布扣+?+bubuko.com,布布扣abubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣)?(1+bubuko.com,布布扣1bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣bubuko.com,布布扣+?)bubuko.com,布布扣=(bubuko.com,布布扣abubuko.com,布布扣1bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣bubuko.com,布布扣+?+bubuko.com,布布扣abubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣)?bubuko.com,布布扣1bubuko.com,布布扣bubuko.com,布布扣1?bubuko.com,布布扣1bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣=(bubuko.com,布布扣abubuko.com,布布扣1bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣bubuko.com,布布扣+?+bubuko.com,布布扣abubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣)?bubuko.com,布布扣10bubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣kbubuko.com,布布扣?1bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣=bubuko.com,布布扣abubuko.com,布布扣1bubuko.com,布布扣?10bubuko.com,布布扣k?1bubuko.com,布布扣+?+abubuko.com,布布扣kbubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣10bubuko.com,布布扣kbubuko.com,布布扣?1bubuko.com,布布扣bubuko.com,布布扣.bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣
如此,
n(10bubuko.com,布布扣kbubuko.com,布布扣?1)=m(abubuko.com,布布扣1bubuko.com,布布扣?10bubuko.com,布布扣k?1bubuko.com,布布扣+?+abubuko.com,布布扣kbubuko.com,布布扣)?mn(10bubuko.com,布布扣kbubuko.com,布布扣?1).bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣
再由 (1), m,nbubuko.com,布布扣 的最大公约数 (m,n)=1bubuko.com,布布扣 , 而
m10bubuko.com,布布扣kbubuko.com,布布扣?1?10bubuko.com,布布扣kbubuko.com,布布扣?1=qm?10bubuko.com,布布扣kbubuko.com,布布扣=qm+1.bubuko.com,布布扣bubuko.com,布布扣bubuko.com,布布扣
 

$m$ 整除 $10^k$ 的一个充分条件,布布扣,bubuko.com

$m$ 整除 $10^k$ 的一个充分条件

原文:http://www.cnblogs.com/zhangzujin/p/3615100.html

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