Addition 1
10+12
22
19+19
38
100-50
50
123-122
1
3x3
39+21
60
38+38
76
190-123
1111
12x12
144
112+89
201
76+76
152
3000-876
2124
12037-120
11917
100x100
10000
1002+2222
3224
1037+298
1335
1672-306
1366
74947-3037
71910
123x123
15129
1023+2129
3152
1923+9849
11772
825
12345-1234
11111
500x1234
617000