Show:
Addition
Subtraction
Multiplication
Division
Mystery
100

9 + 7 =

16

100

9 - 4 =

5

100

8 * 6 =

48

100

15 / 3 =

5

100

15 - 6 =

9

200

12 + 17 =

29

200

28 - 15

13

200

12 * 8 =

96

200

56 / 8 =

7

200

28 + 46 =

74

300

38 + 67 =

105

300

81 - 37 =

44

300

23 * 8 =

184

300

153 / 9 =

17

300

138 / 6 =

23

400

256 + 987 =

1243

400

376 - 135 =

241

400

16 * 15 =

240

400

576 / 18 =

32

400

10,000 - 4,569 =

5,431

500

37 + 187 + 468 =

792

500

4002 - 2345 =

1657

500

36 * 24 =

864
500

1032 / 43 =

24

500

78 * 43 =

3,354