multiplication
adding
subtract
100

0x0

0

100

1+12

13

100

78-78

0

200

2x8

16

200

6+14

20

200

11-3-3=

5

300

4x3

12

300

23+6

29

300

34-24

14

400

15x5

75

400

4+48

52

400

51-12

39

500

45x53

2,385

500

200+3

203

500

200-500

300
M
e
n
u