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February 28, 2015

February 28, 2015

Posted by **alya** on Thursday, October 6, 2011 at 11:03am.

- PROBLEM SOLVING IN MATHEMATICS -
**Steve**, Thursday, October 6, 2011 at 1:30pm1ab

a prime = 2,3,5,7

b prime = 2,3,5,7

ab = 23,37,53,73

numbers are 137 and 173

sum = 310

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