Show:
Add
Sub
Muti
Hard add
Mix
100
2+2
What is 4
100
2x3
What is 6
100
9+3
What is 12
200
50+50
What is 100
200
11-5
What is 6
200
2x10
What is 20
200
300+300
What is 600
200
2-1
What is 1
300
50+0
What is 50
300
20+20
What is 40
300
2x6
What is 12
400
40+40
What is 80
400
2x5
What is 10
400
23+1
What is 24
400
100+102
What is 202
500
5+5
What is 10
500
100-50
What is 50
500
2x20
What is 40
500
100+20
What is 120
500
40+20
What is 60