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January 30, 2015

January 30, 2015

Posted by **Carp** on Sunday, February 12, 2012 at 3:29am.

- Math -
**Reiny**, Sunday, February 12, 2012 at 9:02amlet the tens digit be a

then the unit digit is 2a

it says ... a + 2a = 12

mmmhh?

Can you finish it?

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