58 + 17 = 75
The sum is 86
-58
The sum of 3 plus 4 is 7.
if it is 59+59+58/3 then ans is 137.33 if it is (59+59+58)/3 then ans is 58.666
The answer is -30.
The sum of 37 and 58 is 95.
When the sum of a number plus 3 is squared, it is 11 more than the sum of the number plus 2 when squared.
The sum is 1511.
It is 61: you do not need to estimate a sum as simple as that!
3 + 7 is an ADDITION sum
6