Divide 3 groups first.
" ?) d3 g4 O; b6 L) K; btvb now,tvbnow,bttvbi.e. 4 x 4 x 4.6 c) S& p. c8 ^
Weight any 2 groups [1st]
8 l" ]4 F1 U7 S) dthen you will know the heavier ball in which group.
C+ ^, I- w& u; V5.39.217.76Weight any 2 balls in that group [2nd]公仔箱論壇4 |* c. |$ [) q# t; G, H5 S( k
then you will know the heavier ball in which 2 balls.
* b8 L1 K) X9 S: r( ctvb now,tvbnow,bttvbRepeat again in remainders [3rd]4 _2 f: h% j: U! M0 c- ?5 m. q, a8 w
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
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