2s

1

100

1+2=

3

200

2+2=

4

300

3+2

5

400

4+2=

6

500

5+2=

7

2

100

6+2

8

200

7+2=

9

300

8+2=

10

400

9+2=

11

500

10+2=

12

3

100

11+2=

13

200

12+2=

14

300

13+2=

15

400

14+2=

16

500

15+2=

17

4

100

16+2=

18

200

17+2=

19

300

18+2=

20

400

19+2=

21

500

20+2=

22

5

100

21+2=

23

200

22+2=

24

300

23+2=

25

400

24+2=

26

500

25+2=

27