1 digit addition
2 digit addition
3 digit addition
Mystery
100

2 + 3 =

5

100

10 + 9 =

19

100

101 + 111

212

100

487 + 78

565

200

4 + 4 =

8

200

10 + 23 =

33

200

224 + 189

413

200

389+125=

514

300

7 + 5 =

12

300

21 + 12

33

300

300 + 003

303

300

361 + 294

655

400

8 + 6 =

14

400

42 + 67 =

109

400

450 + 122 =

572

400

478 + 298

776

500

9 + 9 =

18

500

55 + 73 =

128

500

768 + 236 =

1,004

500

799 + 201=

1,000