take 4 balls as a group, 3 groups - A B C9 j. \" [$ c R" U% ~& Q
weigh A & B (ex. B heavier)
' S% m( w! W$ F! e5 `then weigh B & C (B & C same weight)
8 v: a" V( p( ^( @! V. P公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)4 `% I7 S$ F9 T( H& y! B
heavier or lighter公仔箱論壇% e1 a1 H* l# a# U. n: K& }
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇9 H9 M4 U8 K, B! n8 y) |" ]* z
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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