-9 and -9
-9+(-9)=-18
[8] and [10].
The numbers are: -10 and -8
18 and 24
The numbers are 17 and 18.
The sum of 8 and 18 is 26. You can find this by simply adding the two numbers together: 8 + 18 = 26.
There are two pairs of prime numbers that express 18 as the sum of two prime numbers: 7 + 11 = 18 and 5 + 13 = 18.
10 and 8
3 & 15
The two numbers are 13 and 18
[8] and [10].
18 & 42
15 and 3
18 and 24
The numbers are 18 and 12
The numbers are: -10 and -8
The numbers are 17 and 18.
The numbers are 18 and 24