Divide 3 groups first.
+ }2 d" _$ F' m! h. S4 p8 r% v5 Cwww3.tvboxnow.comi.e. 4 x 4 x 4.
& f8 ?& _/ L/ D2 s' Y# R% qwww3.tvboxnow.comWeight any 2 groups [1st]
9 D) a* H5 n1 e1 Ttvb now,tvbnow,bttvbthen you will know the heavier ball in which group.3 N8 W; x: o) ^% V) F% [& g: _
Weight any 2 balls in that group [2nd]
* F: y, n* w( s( A7 `: Tthen you will know the heavier ball in which 2 balls.
~, R$ [$ O5 K1 WRepeat again in remainders [3rd] K7 [6 T3 w# ~; a4 t3 L
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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