9+10?
21
8-4=
8 CUZ U GOT A 8 UP THERE AND U TAKE AWAY DA 4 AND 8 LEFT
9
100
91
191919+1
191920
111
110
1
1+1
+1
3
2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2=
40
+199
1000199 EASY
10000000+1939
100001939
19120+1
Press F11 Select menu option View > Enter Fullscreen for full-screen mode