Divide 3 groups first.tvb now,tvbnow,bttvb2 e3 t* o. D; I- z& x* n& Z
i.e. 4 x 4 x 4.
, J5 B) F4 I4 d7 M1 R3 W; n3 FTVBNOW 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]' ]) ` L4 @! ]# q# J8 |, A
then you will know the heavier ball in which group.5.39.217.77:8898! E# z, g* q8 g6 D. a
Weight any 2 balls in that group [2nd]
) M: ~* Q6 D3 O( \then you will know the heavier ball in which 2 balls.
4 S2 c7 @( @; s1 w3 C# v) T4 N5.39.217.77:8898Repeat again in remainders [3rd]" o! X$ C4 ]" Z* a
Got the heavier ball. |