Show:
Addition
Addition 2 Digit
Subtraction
Subtraction 2 Digit
100
1 + 0
1
100
25 + 10
35
100
4 - 3
1
100

20 - 10

10

200
9 + 3
12
200

65+14

79

200
7 - 4
3
200
21 - 18
3
300
15 + 3
18
300

25 + 16

41

300

70-5

65
300

26 - 18

8

400
20 + 6
26
400

36+15

51

400

18 - 9

9
400

85-16

69

500
29 + 7
36
500

48+39

87

500

34-8

26

500

64-29

35