Divide 3 groups first.
: _ e$ h9 V4 \6 s! E* ?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。i.e. 4 x 4 x 4.! g/ `5 h" y0 V
Weight any 2 groups [1st]tvb now,tvbnow,bttvb) l1 T/ E2 T5 X. \ W2 `' e' z
then you will know the heavier ball in which group.
/ v( Z& j8 |6 B- X! ]. zWeight any 2 balls in that group [2nd]
" r; R. [3 I% {, L: _/ ythen you will know the heavier ball in which 2 balls.
; H0 C! c; {' e! e6 p+ BRepeat again in remainders [3rd]
; t0 E: a4 T; z- o公仔箱論壇Got the heavier ball. |