addition
17+10
27
21-10
11
12x10
120
64/8
8
50+20
70
39+21
60
50-33
17
22x14
308
100/25
4
1+1
3
53+36
89
45-28
17
16x25
400
12
2.5x3.3
8.25
111
12
56x16
896
30/12
2.5
750/15
50
90+83
173
63-98
-35
80x90
7,200
50/4
12.5
50/18
2.777777778