take 4 balls as a group, 3 groups - A B C
6 O/ w! e1 s* a4 [2 Y% M1 e+ i5.39.217.77:8898weigh A & B (ex. B heavier)2 K) Y/ A1 E6 n* V6 y i4 T! ^
then weigh B & C (B & C same weight)
4 u; }% D# o) W0 s9 G+ Fto find which group has the weight difference and find out is it (A is lighter)
" ^) p4 [9 P: {3 h4 q9 E公仔箱論壇heavier or lighter
' [' Z( Z6 i- V* c3 m公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇/ B# Y, D, j9 q
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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