5+2=
7
5+3=
8
5+4=
9
5+5=
10
5+6=
11
5+7=
12
5+8=
13
5+9=
14
15
5+11=
16
20-1=
19
20-2=
18
20-3=
17
20-4=
20-5=
20-6=
1x2=
2
1X3=
3
1X4=
4
1X5=
5
1X6=
6
1X=7
1X8=
1X9=