Add any number to (60 minus the same number).
The sum is 144 if 60 is included, 84 if not.
'Sum' is pretty much a synonym for add, and 63 + 60 = 123.
Sum means to add up, so 60 + 90 = 150
The sum of the first 60 positive integers is 1830.
The product of 7 and 60 is 420. The sum of 7 and 60 is 67.
16+60 = 76
This question doesn't make sense. The sum of 11 and 60 is 71. The product of 11 and 60 is 660.
The sum of the first 60 consecutive odd numbers is 3,600.
The sum of the first 60 consecutive odd numbers is 3,600.
The sum of the first 60 consecutive odd numbers is 3,600.
60
20 + 40 = 60