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1#
發表於 2007-4-14 12:28 PM
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put six on each side .. take the heaviler side and put three on each side
: b) a! `2 h Rtake two balls out of the heaviler side and put on each side 7 x3 h* |3 L. U# O; W
if they r the same the reminder is the heavy ball otherwise u know which one is the heavy ball |
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