Divide 3 groups first.' o' F/ ^0 [7 k
i.e. 4 x 4 x 4.
" f2 t+ ~) |: QTVBNOW 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。Weight any 2 groups [1st]
8 s* }% q) D* x9 G* D) G( wthen you will know the heavier ball in which group.# u+ u, t$ b+ Y3 M5 g
Weight any 2 balls in that group [2nd]& q1 D9 |4 \5 Z( R, f1 \
then you will know the heavier ball in which 2 balls.tvb now,tvbnow,bttvb( P- F" j: G( B3 W7 Z
Repeat again in remainders [3rd]
! V I' M" `) b8 f+ d! htvb now,tvbnow,bttvbGot the heavier ball. |
發表於 2009-7-2 12:48 PM
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