-17
39
-23
30
18
30,32,33,34,35,36,38,39,40 are the composite numbers between 30 and 40. Composite numbers are numbers that are not prime numbers.
How about: 30 and 30
-17
23 and 7 = 30
5 and 6
39
-435
726
-23
I guess you want three odd numbers that, when added, give a sum of 30. That is not possible: if you add three odd numbers, the sum will always be odd.
Since they must total 30, and be equal, divide 30 in half. 30 divided by 2 will give you the answer.
30