How many different ways can you add two odd numbers to get a sum of 20 and add examples

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How many different ways can you add two odd numbers to get a sum of 20 and add examples

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Cora 4 months 2022-01-23T23:25:29+00:00 1 Answer 0

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    2022-01-23T23:26:47+00:00

    We can add only odd numbers.  Let’s assume that we’re dealing ONLY with positive numbers.  Which two odd numbers add to 20?  1+19 qualifies.
    So do 3+17, 5+15, 7+13, 9+11.

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45:5+9-9*14:3-1*12 = ? ( )