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Un article trouvé pour ce sujet.
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Five digit palindromes |
2000-11-12 |
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Jacky pose la question :
Positive integers such as 1287821 and 4554, in which the number is unchanged when the digits are reversed, are called palindromes. The number of five-digit integers larger than or equal to 10,000 which are not palindromes is... a. 10 000 b. 81 000 c. 89100 d. 90 000 e. 99 100
Penny Mom lui répond. |
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