take 4 balls as a group, 3 groups - A B C
( X7 K5 X/ M& ? Lweigh A & B (ex. B heavier)
0 s3 ~7 e b. D2 {5 @! ithen weigh B & C (B & C same weight)2 `6 }' ~& Y9 ~/ }: }
to find which group has the weight difference and find out is it (A is lighter)
2 J! E" N' O; ~# q公仔箱論壇heavier or lighter
3 H2 h$ B( k; q2 T: H; d9 D# S# Mthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
+ r0 E/ u2 v/ ], Z$ O$ |tvb now,tvbnow,bttvbmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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