take 4 balls as a group, 3 groups - A B C N, @: d3 y s
weigh A & B (ex. B heavier)
' i, \( g4 O, b. K- Q d# b' \then weigh B & C (B & C same weight)+ ^% I7 p- p. n: o8 e+ y
to find which group has the weight difference and find out is it (A is lighter)5.39.217.765 z7 z- Y$ u5 d$ i5 ~ q
heavier or lighter
2 k! \$ R! I2 X1 z& X! T7 ftvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
& C4 p3 `1 E+ }9 I# b& u/ _& }公仔箱論壇measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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