divde the 12 balls into 3 sets of 4.
, D+ y; J- F" u# e7 o" Utvb now,tvbnow,bttvbweight any 2 sets.
# |) l) }1 A# v) E: i& A% N" {8 W l# Ttvb now,tvbnow,bttvbif the 2 sets are equal, then you know the heavy one is in the third
. b8 U4 ^. ?$ {/ }, }- T% Q/ lif one of the 2 is heavier, then the heavy one is in that set
9 A8 z5 _. ?7 Lthen divide the 4 balls into 2.tvb now,tvbnow,bttvb( h t! K: g# H8 C
weigh themtvb now,tvbnow,bttvb1 `0 ?& I4 F k1 H7 z* m( v- o$ V
and divide the heavier into 1
& r) u& }3 A6 V/ L1 ttvb now,tvbnow,bttvband weight them.
4 X( N+ q. U- K+ o: t+ Z公仔箱論壇3 x weighing and get the ans. 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。, K+ c7 `# \7 l7 X9 s
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