One always gets an even number.
The sum of two odd numbers is an even number.
Always an even number. Think of an odd number as an even number plus a half. Add them up and the two halves make an even.
None. Any two odd numbers add up to an even number.
The sum of two odd numbers never makes an odd number. Only the sum of an odd number and an even number makes an odd number.
An even number.
no
Multiply two odd numbers Add an even and an odd Subtract an odd and an even
because it can, if you add odd numbers the always don't have to be an odd number
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.
51. Just add two to an odd number to work out the next ;)
An even number
Let E1 and E2 be two even numbers. Then (E1+1)(E2+1) will be the product of two odd numbers. We have E1*E2 +E2+E1+1. Now when we add or multiply even numbers, we get even numbers and we add 1, it's odd.