this is too easy!!
; c$ B N- w2 W) b8 ~
# E1 k5 x7 J. J! x( d1 ATVBNOW 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
1 i J( V/ s( L7 X! ~& C( C; Itvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side
9 s3 |. w. i. j/ a- q% f% N9 s3. 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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