Medium Subtraction Quiz

What is 12 - 3?

What is 15 - 4?

What is 18 - 5?

What is 14 - 6?

What is 16 - 2?

What is 19 - 3?

What is 17 - 4?

What is 13 - 5?

What is 20 - 7?

What is 22 - 6?

What is 25 - 8?

What is 24 - 9?

What is 21 - 5?

What is 23 - 7?

What is 26 - 8?