take 4 balls as a group, 3 groups - A B C公仔箱論壇$ X1 O, I% [ S. T6 p
weigh A & B (ex. B heavier)+ t; @: E0 F* k5 X! u- F. F) `
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb3 f" g) _+ r6 ~6 b0 _( @6 E
to find which group has the weight difference and find out is it (A is lighter)公仔箱論壇. X2 m, K: E6 E8 u) j
heavier or lighter" w" `% A `1 O1 y
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
& m# `3 r$ \1 R! Ymeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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