60-1
59
1+100
101
5x2
10
5-3
2
10+100
200
100x10
1,000
90-50
40
11+12
13
10x2,000
20000
100-30
78
19+1
18
What you can multiplde to get 90
10x9
1-0
1
1,000+2,000
3,000
40x40
1,600
Press F11 Select menu option View > Enter Fullscreen for full-screen mode