90 + 3 + 6
99 and -99
4950
To find three numbers that equal 297, one possible combination is 99, 99, and 99. Alternatively, you could use 100, 97, and 100. There are many combinations that can add up to 297.
297
The three prime numbers that add up to 99 are 3, 5, and 91. However, 91 is not a prime number, so a combination of prime numbers that sums to 99 doesn't exist. The only way to express 99 as a sum of prime numbers would involve at least one composite number.
Do you mean:"What three consecutive numbers add up to 99?" If you do, then the numbers are 32, 33, 34.
99 and -99
4950
99
99
99
297
-99
93, 2, 1 are three numbers that add up to 96
There is no such set of numbers.
-99
97, 98, 99 and 100.