The sum of three consecutive even numbers is 3A (a is not equal to 0), where the largest is (), and the smallest is ()

The sum of three consecutive even numbers is 3A (a is not equal to 0), where the largest is (), and the smallest is ()

The largest one is (a + 2), and the smallest one is (A-2)
The middle one must be equal to the average a. the largest one is a + 2, and the smallest one is A-2