Subtraction
what is 5000-4000
What is 1000
5000+5000
What is 1000
5*3
What is 15
What is 800-90-60
What is 650
What is 800+80+90
What is 970
What is 25-14
What is 11
What is 400+800+70+40
What is 1310
what is 59-40
19
700+90+40+80
What is 910
6657-3222
What is 3435
7678-5689
what is 1989