9 x (a)   = 72

7 X (a)   = 49

(a)   x 8 = 64

12 x 12 = (a)  

(a)   x 12 = 84

9 x (a)   = 81

7 x (a)   = 63

(a)   x 8 = 48

(a)   x 12 = 60

9 x (a)   = 108

11 x 11 =

(a)  

11 x 12 =

(a)  

4 x (a)   = 28

6 x (a)   = 54