take 4 balls as a group, 3 groups - A B C; d. I; s) U2 f2 E# G2 B+ e
weigh A & B (ex. B heavier)
7 r s' [( x. n6 b) x7 Mthen weigh B & C (B & C same weight)5.39.217.77:8898 r4 A. q j, o! C
to find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb6 [) J5 U% r1 S, b4 X& G
heavier or lighter8 {3 I% H5 }" [8 ~- x
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇( W+ i* m* I$ H, H
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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