Add
3+7?
10
5-5
0
10/5?
2
2x2
4
10+20+15
45
15+2?
17
13-7?
6
20/2?
10
5x4
20
27+33+20
80
20+5?
25
27-10?
17
50/25
2
6x6
36
45+45+10
100
100+20?
120
38-22?
16
100/2
50
7x10
70
60+60+50
170
150+150?
300
100-57?
43
120/2
60
10x10
100
150+150+150
450