this is too easy!!
$ w4 _% |! w. k- d7 W, z: T6 gTVBNOW 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。
; ]4 S5 G0 ~6 R, d1. put 6 at each side.. take the one side which is heavier
! A" x, B; _' |0 h3 w( X2 ^1 Z0 O" xtvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb5 T% l1 x8 m3 W0 k" i
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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