even +/- even=
even
The sum of two even numbers is always an even number.
When we add two even numbers, there are only two possibilities:
1. Both numbers are positive. In this case, the sum of the two positive even numbers will be positive and even.
2. Both numbers are negative. In this case, the sum of the two negative even numbers will be negative and even.
For example:
– The sum of 2 even numbers, such as 4 and 6, is 10, which is an even number.
– The sum of -2 and -4, which are also even numbers, is -6, which is also an even number.
Therefore, we can conclude that the sum of two even numbers is always an even number.
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