Show:
Adding 1
Adding 2
Adding 3
Adding 4
Adding 5
100

1+1=

2

100

2+2=

4

100

3+3=

6

100

4+4=

8

100

5+5=

10

200

6+6=

12

200

7+7=

14

200

8+8=

16

200

9+9=

19

200

10+10=

20

300

11+11=

22

300

12+12=

24

300

13+13=

26

300

14+14=

28

300

15+15=

30

400

16+16=

32

400

17+17=

34

400

18+18=

36

400

19+19=

38

400

20+20=

40

500

21+21=

4

500

22+22=

44

500

23+23=

46

500

24+24=

48

500

25+25=

50