take 4 balls as a group, 3 groups - A B C
1 i t2 c7 \3 k& y) i: \5.39.217.77weigh A & B (ex. B heavier)5.39.217.775 r3 a: I* u9 o3 G& v- z
then weigh B & C (B & C same weight)
" b# h1 G$ z+ [: [$ D9 [; Ato find which group has the weight difference and find out is it (A is lighter)1 k9 X+ Q# j1 w" w- j( k; H* l! l
heavier or lighter公仔箱論壇! B3 o. {5 g- i6 ?1 R/ C; n' t
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇$ E+ N! o! r. g$ [1 H: x9 S
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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