take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb$ e( j, X5 p) T- N+ p
weigh A & B (ex. B heavier)tvb now,tvbnow,bttvb" R7 t/ h" L o; L6 G" r
then weigh B & C (B & C same weight)
7 s4 }/ h' @ k8 I. Itvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)
4 i+ c% ~" {# P, Bheavier or lighter
' O' {# ]2 X6 d* d/ q5.39.217.76then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
; G# E8 L- b5 q& C0 C5.39.217.76measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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