viewimage.php?id=20bcc42e&no=24b0d769e1d32ca73ded81fa11d02831ecb95a6124af73c1834c571bfae76afd9a633fba94ed16486bdc9c7e2bf1502d159458ba668608b438d1f1cb5fc314a2effb8de1eaa1a3b33ff4e6dbe94fbc0b4fd863e7dd1909fd052b9a70a14817c3ac0a945b

viewimage.php?id=20bcc42e&no=24b0d769e1d32ca73ded81fa11d02831ecb95a6124af73c1834c571bfae76afd9a633fba94ed16486bdc9c7e2bf1502d159458b9678758b638d0a3cb5fcd61a380945b0e3d90992e6cabbbbcfed21a2b0b5a94e8aca035e5245c998485855edef4c559f3

y=1에 대칭이니까 답 32/3pi 맞나
새내기 첫 과제인데 날 믿을수가 없다