7 × 2 = (a)  

2 + 3 + 5 = (a)  

50 : 2 = (a)  

12 + 2 +3 + 1= (a)  

60 : 3 = (a)  

15 + 15= (a)  

50-10-15=...

(a)  

15 X 20

(a)  

12 : 2 = ?

(a)