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Old 12-20-2004, 02:41 AM   #39
Ray Jones
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spoiler:
When you have 3 balls and know that 1 of them is heavier (or in the other case lighter) and you put 2 on the balance, it's either the 1 of those on the balance or the other one. And you know if it's heavier or lighter.


[edit]

Ahh. You mean, FOUR and then THREE. Look at step 2.


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