take out 10 balls and 5 in each side
W0 }# V: Z' V- z& p! wif 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.2 w3 n# \6 y/ [( A8 C' R/ q' v
tvb now,tvbnow,bttvb3 u* e$ g+ _/ r; @2 M: N$ _
if 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.www3.tvboxnow.com* V$ C* l3 W0 X5 e3 O; F: Q" o7 i) [
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.6 K7 d% k4 h4 i* k0 V* I$ e) P
% Z2 k( i, ]' L" z$ Dused 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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