2+3=
5
3+3=
6
7+4=
11
12+3=
15
0+4=
4
5+2=
7
3+10=
13
6+10=
16
3+1=
6+4=
10
5+7=
12
17+1=
18
5+0=
1+9=
6+9=
14+6=
20
Press F11 Select menu option View > Enter Fullscreen for full-screen mode