Divide 3 groups first.6 G5 K+ z) m! t/ n6 e
i.e. 4 x 4 x 4.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。( ^1 A/ [/ c! R1 R* S' d0 z+ s
Weight any 2 groups [1st]公仔箱論壇$ p5 x/ O" i" W, M
then you will know the heavier ball in which group.; ?. t! O5 r( H2 p
Weight any 2 balls in that group [2nd]% d& P3 c* b) Y0 {- K& p. ~
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。( w( X$ N7 o+ h+ K' D
Repeat again in remainders [3rd]
" u+ d" ^ R0 l) O: x, n- P+ itvb now,tvbnow,bttvbGot the heavier ball. |
發表於 2009-7-2 12:48 PM
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