take 4 balls as a group, 3 groups - A B C" e% `; n# y; q( a
weigh A & B (ex. B heavier)
( M8 @- o) Y1 I/ `, m5.39.217.77then weigh B & C (B & C same weight)5.39.217.77* H8 w3 t& }/ b
to find which group has the weight difference and find out is it (A is lighter)5.39.217.77$ g( }% ]( c) x- o/ B8 h, L- `
heavier or lighter: G# a: N) T/ @" }
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
) m2 j! h3 h5 X6 A& Tmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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