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Any odd number can be written as an even number plus one.
Any even number plus any other even number makes an even number.
Add one makes an odd number.
So an odd number plus an even number is always an odd number.
Algebraically, any odd number can be written as 2a+ 1 where a is a whole number.
Any even number can be written as 2b, where b is a whole number.
Add them together, the sum is 2(a + b) + 1, which is odd.
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What is an even number plus an even number equal to?
An even number.
What are the rules of an even number?
An even number is an integer that is divisible by 2 without leaving a remainder. In other words, when an even number is divided by 2, the result is a whole number. Even numbers can be represented as 2n, where n is an integer. Examples of even numbers include 2, 4, 6, 8, and so on.
What does odd plus odd always equal?
An even number
Does a odd number plus a odd number always equal a even number?
Yes.
How can you determine weather a sum of severals numbers such as 13 plus 45 plus 24 plus 17 is even or odd?
Count how many of the numbers are odd. If an odd number of them are odd, then their sum is odd. If an even number of them are odd, then their sum is even.
