Divide 3 groups first.
" N0 k1 h; A3 Fi.e. 4 x 4 x 4.9 ]% c5 z& c) f- _' D
Weight any 2 groups [1st]
- H/ u2 X5 V0 Y5 Pthen you will know the heavier ball in which group.
: h7 p: a% T% ~0 `! X公仔箱論壇Weight any 2 balls in that group [2nd]tvb now,tvbnow,bttvb: G/ P- u! R- g+ l) n: A" G
then you will know the heavier ball in which 2 balls.www1.tvboxnow.com0 i2 _$ I/ @: a/ `0 }
Repeat again in remainders [3rd]www1.tvboxnow.com" O$ \" t0 i' m+ C: @. Y8 u7 |4 x6 i5 G
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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