take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb' U. @. \" p7 }' c0 o6 I' y# u
weigh A & B (ex. B heavier)
1 P# ~ ~4 Y/ j2 [; U! s) e公仔箱論壇then weigh B & C (B & C same weight)
( m6 \$ f( D9 o9 C5.39.217.77:8898to find which group has the weight difference and find out is it (A is lighter)
& N+ v* e4 X" J h( D) y* Z公仔箱論壇heavier or lighter
4 m- K5 k) u4 d7 j# fthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
# w, E4 x, C7 \( A, mmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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