prove or disprove

来源: yma16 于 2008-07-06 22:48:10 [] [旧帖] [给我悄悄话] 阅读数 : (145 bytes)

there is an integer>10 and a's last digit>0. When you switch a's first digit and the last digit and call the new number b, then a|b ( or b|a).

所有跟帖： 

• lol ... 11, 22, 33, 44, 555555555, ... :) -idiot94- ♂ 给 idiot94 发送悄悄话 idiot94 的博客首页 (0 bytes) () 07/07/2008 postreply 06:25:29

• Sorry. I meant a<>b.-eom -yma16- ♂ 给 yma16 发送悄悄话 (0 bytes) () 07/07/2008 postreply 07:50:01

• Answer: No. See my proof inside. -群众丁- ♂ 给 群众丁 发送悄悄话 (1108 bytes) () 07/08/2008 postreply 10:57:27

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