take 4 balls as a group, 3 groups - A B C公仔箱論壇+ ^1 b- D- M' u$ q3 J K
weigh A & B (ex. B heavier), Z* @2 Z0 X& J! z
then weigh B & C (B & C same weight)
$ U, ~2 F& w8 Zto find which group has the weight difference and find out is it (A is lighter)
/ t7 }" L+ l0 G) }/ x9 \5.39.217.77:8898heavier or lighter
f6 a8 D9 L+ W" o8 u8 Dthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇* c' _. k4 u1 B" D
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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