Divide 3 groups first.tvb now,tvbnow,bttvb: |4 L1 `8 ~$ s' D$ X
i.e. 4 x 4 x 4.2 g, L7 p- [6 \
Weight any 2 groups [1st]公仔箱論壇3 M/ C% x; ^2 f. ^' Q, i
then you will know the heavier ball in which group.
6 o& V& l7 D% n6 \/ m4 j5.39.217.76Weight any 2 balls in that group [2nd]
2 W' l0 I. X" O- g; g% T/ ^8 _$ z5.39.217.76then you will know the heavier ball in which 2 balls.; ^5 b4 C( b9 L, Z1 s
Repeat again in remainders [3rd]
* U8 i2 W0 I4 D8 M& ~! W) o, gGot the heavier ball. |
發表於 2009-7-2 12:48 PM
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