this is too easy!!
. i! [- }( b+ I( h( ~$ f" l9 U8 STVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。www3.tvboxnow.com3 F/ z- M6 j8 C4 J& P6 A! U0 R% z
1. put 6 at each side.. take the one side which is heavier
; I K" B% K0 ^公仔箱論壇2. put 3 at each side.. also take the heavier sidewww3.tvboxnow.com X" R' d; I6 G9 S2 n8 K3 h
3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |
發表於 2009-1-7 05:31 AM
| 
