作者a2515125 (Bobshih)
看板GMAT
标题[计量] pp2 DS
时间Mon Sep 21 01:10:28 2009
What is the value of the positive integer m ?
(1) When m is divided by 6, the remainder is 3.
(2) When 15 is divided by m, the remainder is 6.
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【答案】B
我想求证 B 真的对嘛
(2)可以求出m?
(1) m=6n+3
照道理
(2)15=mx+6不是嘛
如何求得?
感谢
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1F：推 nickyang:没那麽复杂，除了9以外没有任何正整数可以让15除了之後余 09/21 01:20
2F：→ nickyang:6，这题不用除余定理 09/21 01:21