Respuesta :

Do the BODMAS rule

Bracket
operation 
division
multiplication 
addition 
substraction

12 / 6 = 2 
2 + 4 = 6
6 / 3 = 2

so the answer is 2
First do 12 divided by 6 then you will get 2. Do 2 + 4 then you get 6. Lastly to 6 divided by 3 and then you get your answer 2.