Homework Help: Math

Posted by ooooookkkkkk on Wednesday, October 10, 2012 at 6:58pm.

The digits 1,2,3,4,5,6,7,8,9 are used to form four two-digit prime numbers, with each digit used exactly once. What is the sum of these four primes

Math - adela, Wednesday, October 10, 2012 at 10:01pm
explain the steps yoto multiply by one digit number

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