原帖由 我系大P 於 2006-11-25 10:42 AM 發表。 
8 c1 l" C+ y/ i3 C太······容易了,第一次做就用左1分钟左右
" I( B0 v' V1 X- c6 n- Y2 ]tvb now,tvbnow,bttvbtvb now,tvbnow,bttvb) |, T6 B g5 n1 [9 J
第一次称,两边6个,甘样肯定有一边会重D。跟住重D果6个分开两份每份3个称第二次。又系肯定有一边重D。剩低3个。抽其中两个称,如果重量相等,则没有被选中嘅球系最重的。如果 ... 5.39.217.765 x8 {) d3 K% U
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Well, I think you have to spend 30 minutes (or more) to read the question more carefully.tvb now,tvbnow,bttvb( }; u* d3 H: y L3 ?9 W5 j
tvb now,tvbnow,bttvb5 g7 Y+ W: A1 n' `
The key point you miss is "重量異常" not just heaver.tvb now,tvbnow,bttvb9 J' {0 L. K& F/ p" E
This means you don't know the ball is lighter or heaver. |