this is too easy!!9 `6 R1 h: c5 ^7 Y
' m. Z5 Q( m1 J: T/ PTVBNOW 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。1. put 6 at each side.. take the one side which is heavier; T; @6 {7 |5 ?, c1 C# `; W* y
2. put 3 at each side.. also take the heavier side公仔箱論壇9 I! u& C' h/ n0 P
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
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