None. The sum of any two odds must be even. The sum of any two evens must be evens so the sum of any number of evens must be even. So the sum of 6 odds = sum of 3 pairs of evens = ie sum of 3 evens even + even + even = even 13 is odd and the sum of 6 odds is even so there is no way that one can be made the same as the other.
The sum of two odd numbers is always even.
The sum of two even numbers is always an even number.
The sum of two odd numbers is always even.
The sum of two odd primes is always an even answer or number.
It is not possible. The sum of two odds is even, the sum of three odds is odd, etc. So the sum of five odds is odd whereas 50 is even.
None. The sum of any two odds must be even. The sum of any two evens must be evens so the sum of any number of evens must be even. So the sum of 6 odds = sum of 3 pairs of evens = ie sum of 3 evens even + even + even = even 13 is odd and the sum of 6 odds is even so there is no way that one can be made the same as the other.
The sum of two odd numbers is always even.
The sum of two even numbers is always an even number.
The sum of two even numbers is always an even number.
Always.
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.
The sum of two odd numbers is always even.
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
Yup
Yes, always.
The sum of two odd numbers is always an even number