take 4 balls as a group, 3 groups - A B C; C- e% q2 j' y: L+ A8 H* V1 Q
weigh A & B (ex. B heavier)公仔箱論壇* O3 {, y) b; a. M9 v/ r' G$ t Y
then weigh B & C (B & C same weight)5.39.217.77$ p* T; S, b T1 f: h5 X# q
to find which group has the weight difference and find out is it (A is lighter)! [, E: a- D3 {
heavier or lighter公仔箱論壇1 T# k- Y3 N- c7 b8 |
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)- y0 ]* \' Y+ Y
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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