take out 10 balls and 5 in each side G! U. i; f) d4 g* v' b
if both side balance mean the other 2 balls one of them must be the heavy one then just take them to weight will find out which one is heavier.公仔箱論壇5 V$ U6 I$ m4 p, o; I9 M
- e; z& C8 k4 C r" g/ G& }7 Xtvb now,tvbnow,bttvbif the heavy ball is inside the 10 balls, take out 4 balls from the heavier side which had 5 balls to weight 2 balls in each side.0 T# c" W2 k# S) q! _, z
if both side balance, which mean the one left is heavy one if not, just take the heavier side to weight will find out which one is the heaviest one.
4 |8 {4 [0 N7 e0 Q$ Fwww2.tvboxnow.comwww2.tvboxnow.com) W% g8 q* U \7 T% ^' r! k
used less then 1 min to find out the answer.... |
發表於 2007-12-31 05:47 AM
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發表於 2008-1-1 08:48 AM
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