48/2(9+3)이거 

답이 두가지로 갈리는 이유가 

(48/2)*(9+3)
48/(2(9+3))

이렇게 두가지로 계산하기때문 아닌가요??

48/2에다가 (9+3)를 곱한거냐 
2(9+3)분의 48이냐 

이게 문제 아닌가요? 

생략 문제인것같은데 

개인적으로는 
만약 2(9+3)분의 48 이라면 
48/2(9+3) 이렇게 쓰지말고 48/(2(9+3)) 이렇게 써야되는거 아님???

48/2에다가 (9+3)를 곱한거라면 48/2(9+3) 라고 쓸 수 있는 거 아닌가요?