Divide 3 groups first.www3.tvboxnow.com2 z* M7 r, u! d9 C z
i.e. 4 x 4 x 4.
& b% x4 c% y+ `tvb now,tvbnow,bttvbWeight any 2 groups [1st]
! C) v$ s8 l+ ^$ u+ d" i8 dthen you will know the heavier ball in which group.tvb now,tvbnow,bttvb# s3 |+ L9 M4 o" m0 m7 x0 R
Weight any 2 balls in that group [2nd]+ Y1 i( O" S7 z* _+ k. ?
then you will know the heavier ball in which 2 balls.TVBNOW 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。# k. i- y" L* }& V/ ^. k* Y& A
Repeat again in remainders [3rd]www3.tvboxnow.com, P' p6 r3 O+ L+ `$ F+ k7 w8 A
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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