take 4 balls as a group, 3 groups - A B C5.39.217.774 S/ K! i" i; r: A3 X3 o+ k. m; {
weigh A & B (ex. B heavier)tvb now,tvbnow,bttvb) ~* ~+ P' Q3 X$ s: _0 ?$ m
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb+ G1 ]* `. E3 w/ L+ O8 k
to find which group has the weight difference and find out is it (A is lighter); d6 ]* b- g) i' z" d. }1 Z# X8 r
heavier or lighter
9 B' A+ x0 D ?& E/ T6 dtvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)5.39.217.77- B( w! p4 u, b0 _
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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