Divide 3 groups first.
3 F6 L: H' \0 ntvb now,tvbnow,bttvbi.e. 4 x 4 x 4.公仔箱論壇, d& G8 I0 g+ u' ?7 c
Weight any 2 groups [1st]
P( f& a3 e: d3 d. HTVBNOW 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。then you will know the heavier ball in which group.公仔箱論壇6 W; b: m$ p# V1 u
Weight any 2 balls in that group [2nd]5.39.217.76- R8 n" v7 a- D, G1 F0 e2 b: N! [
then you will know the heavier ball in which 2 balls.; b7 N7 I% }% ~2 r/ o0 |4 T
Repeat again in remainders [3rd]
+ ]+ d; a, j9 G6 E; j) U公仔箱論壇Got the heavier ball. |