plus
minus
gange
100
40+40
What is 80
100
120 - 60
What is 60
100
1 x 10
What is 10
200
450+450
What is 800
200
160 - 80
What is 80
200
10 x 10
What is 100
300
900+900
What is 1800
300
100 - 100
What is 100
300
12 x 5
What is 60
400
360+360
What is 720
400
1000 - 500
What is 500
400
8 x 20
What is 160
500
170+170
What is 340
500
10 - 5
What is 5