7cea8077bc856cf63ced82ec409f2e2da0e4eea7395e599fb19abb1fb0

1ebec223e0dc2bae61abe9e74683776c65fd7a52b21af63663603106090f4b56b8ec930bec7cb5dfa3544fec90e5a16d

보존장아닌데 적분값 0나와서 잘못푼것같은데 어디서 틀린걸까용 
2016고려대 기말문제임

- dc official App