1 + 1=
2
5 + 5 =
10
6 + 6 =
12
2 + 2 =
4
7 + 4 =
11
14 + 4 =
18
1 + 2=
3
10 + 7 =
17
7 + 7 =
14
13 + 3 =
16
4 + 3 + 2
9
12 + 5 =
13 + 2=
15
3 + 3 + 1
7
15 + 6
21
Press F11 Select menu option View > Enter Fullscreen for full-screen mode