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| Math Central | Quandaries & Queries |
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Question from sunjoo, a parent: write the least whole number that uses the digits 1 though 9 once each. explain your answer. |
Hi Sunjoo,
Write the least whole number that uses the digits 1 and 2, once each.
Write the least whole number that uses the digits 1, 2 and 3, once each.
Can you see now how to answer the question you asked?
Penny
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