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14 May, 08:49

Why is the sum of to odd numbers always even?

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  1. 14 May, 08:55
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    Any even number can be written in form 2n where n is an integer

    any odd number can be written in form 2n+1 where n is an integer

    so the sum of 2 odd numbers is 2n+1+2n+1 or

    4n+2 or

    2n+2n+2 or

    even+even+even

    it is even because of math
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