5 X 1 =

(a)  

8 X 1 =

(a)  

9 X 0 =

(a)  

10 X 0 =

(a)  

6 X 1 =

(a)  

4 X 0 = 0

(a)  

1 X 3 =

(a)  

0 X 7 =

(a)  

0 X 8 =

(a)  

1 X 4 =

(a)  

1 X 1 =

(a)