Question 1: 500 + 500?
Ansewr 1:
Question 2: 500 - 200?
Ansewr 2:
Question 3: 15 x 8?
Ansewr 3:
Question 4: 20 x 4?
Ansewr 4:
Question 5: 10 + 20 x 2?
Ansewr 5: