10+12=
22
37-9=
28
9x9=
81
81\9=
9
2/8
1/4
30+40=
70
50-25=
25
11x5=
55
55\11
5
5/10
1/2
100+20=
120
100-74=
26
12x12=
144
144\12=
12
4/6
2/3
6+4=
10
10-5=
8x5=
40
40\5=
8
1/5
2/10
2+2=
4
5-4=
1
3x6=
18
18\3=
6
2/4
1/2 Or 3/6