take 4 balls as a group, 3 groups - A B C/ [3 d/ r0 ~& P
weigh A & B (ex. B heavier)5.39.217.76; \5 m8 Y) C9 O3 T
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb8 L5 s0 ?7 k l" K" n( s+ w! I4 `
to find which group has the weight difference and find out is it (A is lighter)
! r4 _5 Y" N& S) Y1 aheavier or lightertvb now,tvbnow,bttvb; C1 } b4 t: I5 Z, o
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
2 @/ G, c2 Z0 ~/ C, R1 i5.39.217.76measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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