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Solution of problem N2605 probability theory
2605. In an urn there are 12 white and 10 black balls. 2 balls are taken out of the urn at once. Find the probability that these balls will be of different colors.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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Discount for regular customers! If the total of your purchases from the seller
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