take 4 balls as a group, 3 groups - A B C7 h, e! i3 v; ~- I: m5 _' R% g
weigh A & B (ex. B heavier)5.39.217.77" l2 P% ^4 H; S) W! V: ~7 S. v
then weigh B & C (B & C same weight)
: l' J( U1 [* q3 L: s5.39.217.77to find which group has the weight difference and find out is it (A is lighter)5.39.217.77& p4 }- f* ^7 u& R8 `/ c
heavier or lighter
1 G1 ]+ x9 s s/ |3 P. {4 Ftvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)$ |2 |% F4 ]+ L& {) q
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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