take 4 balls as a group, 3 groups - A B C公仔箱論壇- |. A# h u9 O% |. K
weigh A & B (ex. B heavier)9 \8 W$ S7 G m/ _8 g# Z+ o
then weigh B & C (B & C same weight)3 K/ E0 X t: `" x0 |+ s# ]6 V
to find which group has the weight difference and find out is it (A is lighter)
. ~) _' `- b( t- O2 D公仔箱論壇heavier or lighter3 G& {5 F, T2 w7 C/ I, e; L
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)os.tvboxnow.com4 k1 r! K0 d- Q; R$ c* d5 z3 i0 h
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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