43+17=
60
82-13=
69
74-36=
38
29+31=
79-54=
25
46-28=
18
76+364=
440
65-35=
30
669+331=
1000
987+42=
1029
78-69=
9
76-59
17
435+210=
645
3
169-39=
130
Press F11 Select menu option View > Enter Fullscreen for full-screen mode