take 4 balls as a group, 3 groups - A B C公仔箱論壇, D3 o& m0 N: W6 h/ N4 h
weigh A & B (ex. B heavier)% c, J3 F+ ~8 F7 L; ~3 B- A0 W
then weigh B & C (B & C same weight)* E5 B# ]7 R) r' L+ Y( g% N" y& A
to find which group has the weight difference and find out is it (A is lighter)公仔箱論壇# [8 W; K; r8 {! Y: a
heavier or lighter" u1 M# \: }" V, r1 j
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
, t$ S1 p) V; x4 R. Rmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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