take 4 balls as a group, 3 groups - A B C
) H* v. \! S. E, X, \- p' `weigh A & B (ex. B heavier)公仔箱論壇1 ]) \/ l5 R6 \2 `
then weigh B & C (B & C same weight)
8 D. {) }+ Z b) K* z( {, Ptvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)
0 z$ S: E7 ]$ n' T: zheavier or lighter2 Y3 ~! e& e! X# w5 \
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
: i. n! \9 P' K9 n0 r( n5.39.217.76measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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