5+7
12
8-2
6
2x5
10
6/2
3
2/4 =
1/2
11+8
19
15-7
8
4x10
40
20/4
5
2/3 =
4/6
25+48
73
29-24
7x7
49
30/10
6/6=
1
258+92
350
280-79
201
8x4
32
45/5
9
15/20 =
3/4
467+380
847
590-367
223
10x9
90
60/3
20
3/15 =
1/5