1+3
4
3-2
1
12+20
32
22+12
34
10+2
12
5+2
7
10-8
2
30+30
60
12+30
42
20-7
13
7+7
14
12-4
8
21+20
41
5+20
25
2x2
10+12
22
17-5
32+21
53
23+23
46
100-99
12+12
24
60-20
40
100+43
143
45+30
75
53-20
33
Press F11 Select menu option View > Enter Fullscreen for full-screen mode