Divide 3 groups first.
' [! v7 b7 t$ b9 r5.39.217.77i.e. 4 x 4 x 4.
; g6 e& h. n! h$ l' `& V7 [4 |; ttvb now,tvbnow,bttvbWeight any 2 groups [1st]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。/ c2 z# S4 ?; k
then you will know the heavier ball in which group.tvb now,tvbnow,bttvb; ^- w% f+ m; }# }
Weight any 2 balls in that group [2nd]
' q2 X$ r$ G0 nthen you will know the heavier ball in which 2 balls.
& C. N) s& [$ J* t$ n公仔箱論壇Repeat again in remainders [3rd]
$ ~: [$ X9 w1 j: y+ s5.39.217.77Got the heavier ball. |