Show:
4s multiplication
4s multiplication
4s multiplication/division
4s division
4s divsion
100

0x4

4

100

8x4

32

100

3x4

12

100

4/4

1

100

12/4

3

200

4x4

16

200

6x4

24

200

7x4

28

200

48/4

12

200

44/4

11

300

1x4

4

300

10x4

40

300

12x4

48

300

20/4

5

300

36/4

9

400

9x4

36

400

2x4

8

400

32/4

8

400

28/4

7

400

8/4

2

500

11x4

44

500

5x4

20

500

24/4

6

500

16/4

4

500

40/4

10