Yes, always; this is because an odd number is 2E + 1 (E being any even number), and two odd numbers equal 2E1 + 2E2 + 2 x 1 = a lot of even numbers plus two, which is another even number.
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The sum of two odd numbers or two even numbers is an even number. The sum of an odd number and an even number is an odd number.
The sum of two odd numbers is always even; the sum of three odd numbers is always odd; the sum of four odd numbers is always even; the sum of five odd numbers is always odd; etc
The sum of two odd numbers is always an even number
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Two odd numbers always sum to an even number. Always. Two even numbers always sum to an even number, and an odd number and an even number always sum to an odd number.