take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb' _% [8 Q- y2 l
weigh A & B (ex. B heavier)
1 F. q6 w% N4 A9 I2 c5.39.217.76then weigh B & C (B & C same weight)
/ S R7 Q e" i& T# W% y D0 Btvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)
9 r2 e7 w8 ?$ ~! V% g+ h5.39.217.76heavier or lighter5.39.217.763 s' C+ k3 @6 X5 H5 |5 G
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
/ D3 S5 t0 v8 ?* [measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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