addition
a + b
Subtraction
A-b
The numbers are 65 and 67.
The procedure is known as "addition", with the possible additional requirement of "carrying" depending on the specific integers.
All integers are rational numbers.
The numbers are -6, -5, -4 and -3.
The numbers are -18, -16 and -14.
The numbers are 23, 24 and 25.
Add them up. Divide their total by the number of integers there are.
The numbers are 51, 53, 55 and 57.
63 and 64
208/2 = 104 so the two numbers are 103 and 105.