viewimage.php?no=24b0d769e1d32ca73deb87fa11d02831de04ca5aee4f7f339edb1c2bd9447835421375a1c6c2044c1830da7305dcb98c3546f0b052a9ea858f7bebaba606cf893e725b88c2628d222604d27814b94a974ccd950749e42bf2d014d7c0a6e3b81d0c298a07972566b3e4e40969

설명을 봐도 적분 과정을 이해 못하겠어요