수식에서 생략된 곱셈은 가장 강한 덩어리이다

 

3a / 3a = (3 x a) / (3 x a) = 1

abc/abc = (a x b x c) / (a x b x c) = 1

48 / 2 (2+3) = 48 / (2 x (2 + 3)) = ...

 

https://www.youtube.com/watch?v=70gSnROahuU

 

 

 

 

 

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