10 - 20
what
15 - 9
The answer is 6
8 + 9
What is 19
0 x 9
What is 0
7+8
What is 15
236-8
What is 228
6 x 6
What is 36
3+ 27
What is 30
20-22
What is 2
1 x 5
What is 5
8 + 11
18-3
4 x 5
What is 20