take 4 balls as a group, 3 groups - A B C
, @& a" ^" g4 ^& R. ~) P5.39.217.77weigh A & B (ex. B heavier)/ Z9 x4 O! k. P. Y
then weigh B & C (B & C same weight)
$ L5 y/ V8 T3 ^+ H# t0 p, I5.39.217.77to find which group has the weight difference and find out is it (A is lighter)
; R* ?; ]% p8 t" Y0 B0 O" D2 A公仔箱論壇heavier or lighter
9 Y' u; X4 @$ U6 Sthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
0 t4 b% ^) p3 D. W4 Otvb now,tvbnow,bttvbmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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