30+4=
34
65-40=
15
23+20=
43
50-35=
36+14=
50
Х-5=35
40
34-Х=20
14
3+100=
103
20*10=
200
Х+5=10
5
5*200=
1000
26*10=
260
24-4=
20
Press F11 Select menu option View > Enter Fullscreen for full-screen mode