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Why does 111,111,111 x 111,111,111 equal 12345678987654321?
 Jan 10, 2014
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RandomGuy:

:shock: Why does 111,111,111 x 111,111,111 equal 12345678987654321?



Just start doing it by long multiplication (on paper) and you may get some insight into why this is so.
I just thought about it in my head and i can 'see' that this answer is very likely.
 Jan 10, 2014

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