take 4 balls as a group, 3 groups - A B C7 T& O9 u' ?, @3 y1 h$ f7 K
weigh A & B (ex. B heavier)1 _6 a! g/ U2 s6 r/ R
then weigh B & C (B & C same weight)
/ Q+ V [, D- i7 }tvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)公仔箱論壇3 F; E4 T$ h! T! [& W! J
heavier or lighter公仔箱論壇- {' S e2 Q1 C; m1 L6 F6 b, b
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter); K, t3 l1 Q( y, ? d& a
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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