take 4 balls as a group, 3 groups - A B C
) U9 H& ?" ?) F. o! S0 C0 O. ^5.39.217.76weigh A & B (ex. B heavier)
' M% P; @9 y9 g, `tvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
8 i, o" [# E" X6 j2 Z! B+ }4 E* M公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)公仔箱論壇+ D h( H0 h3 ~! k0 \
heavier or lighter
2 C, ]9 `; r$ U- x6 P; J- P, M: Y5.39.217.76then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
7 E- d0 Y6 [0 y' g; y" R* I1 }公仔箱論壇measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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