I am in puzzle now.how to find the abnormal ball?
By talqaeeak
@talqaeeak (292)
China
June 28, 2007 10:25pm CST
I am puzzled by the problem:
There are 12 balls,which is the same outward,but one of them is not equal to others.
Now there is a balance without poise,how to find the abnormal ball with the balance?
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