take 4 balls as a group, 3 groups - A B C公仔箱論壇3 [# g' J) F; m% w, m- Z
weigh A & B (ex. B heavier)
$ [6 M- z! }" U( s5 v* l; Z5.39.217.77then weigh B & C (B & C same weight)
' R5 ]; K8 E/ w z1 rto find which group has the weight difference and find out is it (A is lighter)3 Z$ j0 ?, ^) ~# F Q+ p
heavier or lighter1 c+ d" Z9 P: M
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
2 Y' e" B- P9 y- r1 M" |5.39.217.77measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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