Divide 3 groups first.
: r8 C# ^2 ^* PTVBNOW 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。i.e. 4 x 4 x 4.公仔箱論壇: n) I% s7 X+ f% D. R I
Weight any 2 groups [1st]
1 g0 b& `: H8 J% o4 X3 P: Ntvb now,tvbnow,bttvbthen you will know the heavier ball in which group.公仔箱論壇 c( C: I2 U9 u
Weight any 2 balls in that group [2nd]
0 g+ T- S: K- }! W$ 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 2 balls.
" w' }7 ?1 Z* I' C- O公仔箱論壇Repeat again in remainders [3rd]
- \+ w" z+ ]% O. KGot the heavier ball. |