multiplication
subtraction
addition
100

5*3

15

100

5-1

4

100

5+3

8

200

10*5

50

200

7-5

2

200

10+2

12

300

11*5

55

300

10-6

4

300

12+6

18

400

12*5

60

400

16-9

7

400

16+8

24

500

12*12

144

500

20-10

10

500

20+10

30