Show:
times
subtraction
addition
100

6x4

24

100

8-4

4

100

8+2

10

200

5x7

35

200

12-6

6

200

9+6

15

300

7x8

56

300

20-7

13

300

13+5

18

400

9x9

81

400

46-3

43

400

10+13

23

500

12x11

120

500

76-13

63

500

72+20

92