It is -7+5 = -2
The sum of 75 plus 5 is 80.
'Sum' is pretty much a synonym for add, and 5+5 or 5 plus 5 is 10.
14.Sum means a add. a good way remember what sum means, is that sum and add both have three letters :)
5+5=10, +5 = 15
18.75cm2
11
The sum is 1511.
"The sum of 4 plus 5" can be expressed mathematically as 4 + 5 = 9. Now go do your homework.
The sum of -5 plus 11 is 6. When a negative is added to the positive you subtract instead of add to get your answer.
35
30 + 10 + 5 + 5 = 50
Find the Sum to n terms of the series 5 5+55+555+ +n Terms