https://gongquiz.com/main/pages/search.php?q=9%EA%B8%89+%EC%A7%80%EB%B0%A9%EC%A7%81+%EA%B3%B5%EB%AC%B4%EC%9B%90+%EC%84%9C%EC%9A%B8%EC%8B%9C+%EC%88%98%ED%95%99
https://gongquiz.com/main/pages/%EC%9D%B4%EC%B0%A8%EB%B6%80%EB%93%B1%EC%8B%9D+-x2%2B%28k%2B2%29x-%282k%2B1%29%E2%89%A50+%EC%9D%98+%ED%95%B4%EA%B0%80+%EC%A1%B4%EC%9E%AC%ED%95%98%EC%A7%80+%EC%95%8A%EC%9D%84+%EB%95%8C%2C+%EC%A0%95%EC%88%98+k%EC%9D%98+%EA%B0%9C%EC%88%98.quiz?mode=practice&quizNo=916462&historyNo=reset&cateNo=636&p=1
[]
[916462,916463,916464,916465,916466,916467,916468,916469,916470,916471]
{"916462":[1,2,3,4],"916463":[1,2,3,4],"916464":[1,2,3,4],"916465":[1,2,3,4],"916466":[1,2,3,4],"916467":[1,2,3,4],"916468":[1,2,3,4],"916469":[1,2,3,4],"916470":[1,2,3,4],"916471":[1,2,3,4]}
practice
122269790