$6\ \times\ 4\ =$  

(a)  

 $1\ \times\ 2\ =$  

(a)  

 $7\ \times\ 4\ =$  

(a)  

 $3\ \times\ 4\ =$  

(a)  

 $8\ \times\ 2\ =$  

(a)  

 $2\ \times\ 4\ =$  

(a)  

 $9\ \times\ 2\ =$  

(a)  

 $4\ \times\ 2\ =$  

(a)  

 $4\ \times\ 4\ =$  

(a)