take 4 balls as a group, 3 groups - A B C
1 f/ ~! q/ |$ i, ^tvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
: x& |: _8 z8 _$ ]tvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
5 p: u" H1 a: _: Nto find which group has the weight difference and find out is it (A is lighter)' }: x5 _4 v9 K% D- J1 V5 _
heavier or lighter
0 e0 ^! C9 V2 o( W7 l5.39.217.76then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
9 _/ D& P# \& Z' J9 z# L5.39.217.76measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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