7x0

(a)  

3x4

(a)  

7x4

(a)  

3x7

(a)  

7x7

(a)  

1x8

(a)  

9x1

(a)  

6x4

(a)  

4x8

(a)  

9x4

(a)  

5x3

(a)  

30:6

(a)  

6x8

(a)  

42:6

(a)  

24:8

(a)  

6x0

(a)  

8x8

(a)  

81:9

(a)  

36:6

(a)  

7x8

(a)  

54:9

(a)  

63:9

(a)  

7x9

(a)  

5x5

(a)  

40:5

(a)  

4x4

(a)  

3:1

(a)  

8:8

(a)  

4x5

(a)  

27:3

(a)  

35:7

(a)  

9x8

(a)  

32:8

(a)  

5x7

(a)  

9:3

(a)  

24:4

(a)  

49:7

(a)  

5x9

(a)  

0x1

(a)  

1x1

(a)  

6:2

(a)  

2x4

(a)  

21:3

(a)  

6x9

(a)  

72:9

(a)  

5x2

(a)  

56:8

(a)  

7x9

(a)  

7x4

(a)  

4x7

(a)  

45:9

(a)  

25:5

(a)  

6x5

(a)  

6x6

(a)  

3x8

(a)  

4x6

(a)  

6x3

(a)  

27:3

(a)  

42:6

(a)  

7x6

(a)  

3x8

(a)  

4:2

(a)  

3:3

(a)  

5:1

(a)  

6x0

(a)  

48:6

(a)  

6x8

(a)  

7x6

(a)  

28:4

(a)  

3x7

(a)  

40:5

(a)  

5x3

(a)  

15:3

(a)  

21:1

(a)  

24x0

(a)  

16:4

(a)  

12:6

(a)  

3x4

(a)  

2x6

(a)