Sujet: two digits liste de sujets
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	More on the last 2 digits of a^k = N		2020-08-07
		Jay pose la question : I've seen solution methods for finding the last 2 digits of a^k = N, where a and k are known. My question is: What if the number N is known and the last 2 digits are, say, ...62. Is there a way to find, for any given a, the value of k which will result in a number where the last 2 digits are ...62? and if that is possible, then do the same for a number with the last n digits (say 7 or 53 or something)? Harley Weston lui répond.
	The last two digits of a phone number		2016-04-03
		Joshua pose la question : I want to find the last two digits of a phone number whose first eight numbers of a ten digit phone numbers are known. Penny Nom lui répond.
	The last two digits		2006-07-22
		Sam pose la question : You have answered this question already but you only answered to one digit. What are the last TWO digits of: 3 to the power of 1994 7 to the power of 1994 3 to the power of 1994 + 7 to the power of 1994 7 to the power of 1994 - 3 to the power of 1994 Paul Betts and Penny Nom lui répond.
	A palindrome question		2004-09-28
		Lilly pose la question : 12, 21, 13, and 31 are the only double-digit numbers whose squares are the palindromes of the squares of the palindromes of double-digit numbers. I was wondering why it works for these numbers, and if only these numbers work this way. Chris Fisher and Penny Nom lui répond.

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