prove or disprove

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- ♂ (0 bytes) () 07/07/2008 postreply 06:25:29

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

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