take 4 balls as a group, 3 groups - A B C5.39.217.774 v/ a( v1 Y9 z6 S$ s
weigh A & B (ex. B heavier)
) R! {- M' [) W5.39.217.77then weigh B & C (B & C same weight)5.39.217.772 i8 I- q6 E5 \- K
to find which group has the weight difference and find out is it (A is lighter)公仔箱論壇 W3 t9 ?3 u0 J
heavier or lighter
* ^! \, U4 [# ytvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb, B2 l) v! T( O
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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