1x4
1+6
7
154-453
400 divided by 4
100
9x9
12+51
324-143
200 divided by 2
4x12
48
100+456
543-456
10x12
286+534
4535-786
17x17
10000000+100000000
20000000000000
10000-1657
8343
Press F11 Select menu option View > Enter Fullscreen for full-screen mode