Divide 3 groups first.
8 |% J% K9 P- W( e. Ztvb now,tvbnow,bttvbi.e. 4 x 4 x 4.
8 z5 ~" S1 H4 _# |) C7 z; J5.39.217.76Weight any 2 groups [1st]
! r2 \, q- ~2 v R/ D$ G }& h0 r! Q5.39.217.76then you will know the heavier ball in which group.
1 S: w+ W6 q* Z3 W' EWeight any 2 balls in that group [2nd]
- u! r: n8 `1 x6 U1 i5 p. N0 Nthen you will know the heavier ball in which 2 balls.
" b y3 _0 f% n5.39.217.76Repeat again in remainders [3rd]
. n, S m/ i, A( `# P' S, qtvb now,tvbnow,bttvbGot the heavier ball. |
發表於 2009-7-2 12:48 PM
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