this is too easy!!5.39.217.763 ]# ?8 r5 }9 b' v9 `
5.39.217.76: v* r* Y- d3 v; t U" n/ {. k9 b
1. put 6 at each side.. take the one side which is heavier( n5 m6 R+ S1 I/ H$ R" M
2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb# y2 z' N: e k# d- V3 E
3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |
發表於 2009-1-7 05:31 AM
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