viewimageM.php?id=mathematics&no=29bcc427b78477a16fb3dab004c86b6f796a88214a115546a20aeecb335bd6280c1c63b396da8b954e22517a1e7c1b9f54f59a2d078100da9dea7553646af403dff07b2d5b1f12af3ba5a8cf38eb925e89

viewimageM.php?id=mathematics&no=29bcc427b78477a16fb3dab004c86b6f796a88214a115546a20aeecb335bd6280c1c63b396da8b954e22517a1e7c1b9f54f89828078750d9c8ea7553646af403190084f0cfaad204b51be103fd615a85df

두번째 문제 a제곱-에이-2=0이라는데 어떻게 유도되는겨..

From dcinside app for Android