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不知道
let me see the answer
Divide 3 groups first.
3 i, b9 J1 O3 B* h4 i- w/ c: B公仔箱論壇i.e. 4 x 4 x 4.
( t, c# W5 m% [. g( W! z5.39.217.76Weight any 2 groups [1st]
; N- C& w& |5 k& S$ V3 K3 N. r) |0 O5.39.217.76then you will know the heavier ball in which group.6 G! v+ J5 O$ l4 X! R; D* d1 A" X
Weight any 2 balls in that group [2nd]
' G: t3 l( W: K8 y; U: o公仔箱論壇then you will know the heavier ball in which 2 balls.公仔箱論壇# W- Z( m/ K& H4 s
Repeat again in remainders [3rd]tvb now,tvbnow,bttvb2 D. L6 |- d2 e1 h3 E! t
Got the heavier ball.
ddddddddddddd
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睇过先知
thanks
我知道
so easy
easy only 1 min done
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