if you add a ten thousands digit that is 3 times the thousands...

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What is the sum of all two digit positive integers whose squares end with the digits 01?

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In m x n = 225, m is a two digit number, and n is a 1 digit. What do m & n represent? List all possi...

The difference between the digits of a twodigit number is 1. The number itself is 1 more than 5 time...

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