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How many different 3-digit numbers can you write if you may use only the digits 2, 5 and 7, each of them no more than once?
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How many different 3-digit numbers can you write if you may use only the digits 2, 5 and 7, each of them no more than once?

User Hansmbakker
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6 votes

Answer:

dream is cool................

User Alex DG
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