take 4 balls as a group, 3 groups - A B C公仔箱論壇2 Y. L1 N8 J4 J4 K/ ?
weigh A & B (ex. B heavier)
3 l" Z5 b" L- a( vtvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)公仔箱論壇$ }. M% R2 O7 N9 {0 \0 R' c1 s
to find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb; z7 j& W; ^9 M$ c; ?% B: J
heavier or lightertvb now,tvbnow,bttvb# b% f0 b G3 f5 _" M
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
7 F8 p. H; ]' w$ N& b8 j% I1 T; rmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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