__ X 3
__ x 4
__ X 5
__ X 6
__ X 7
100

1x3=

3

100
2x4=

8

100

2x5=

10

100

0x6=

0
100

0x7=

0

200

3x3=

9

200

3x4=

12

200

4x5=

20

200

3x6=

18

200

2x7=

14

300

5x3=

15
300

4x4=

16

300

6x5=

30

300

4x6=

24

300

5x7=

35

400

7x3=

21

400

8x4=

32
400

9x5=

45
400

8x6=

48

400

9x7=

63

500

12x3=

36

500

10x4=

40

500

11x5=

55

500

12x6=

72

500

12x7=

84