카카오스토리
URL 복사
의 전개식에서 1/x2의 계수가 80 일 때, 자연수 k의 값은?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%28%EC%A7%80%EC%A0%81%29
https://gongquiz.com/main/pages/%7BQUIZIMG%3A1%7D+%EC%9D%98+%EC%A0%84%EA%B0%9C%EC%8B%9D%EC%97%90%EC%84%9C+1%2Fx2%EC%9D%98+%EA%B3%84%EC%88%98%EA%B0%80+80+%EC%9D%BC+%EB%95%8C%2C+%EC%9E%90%EC%97%B0%EC%88%98+k%EC%9D%98+%EA%B0%92%EC%9D%80%3F.quiz?mode=focus&quizNo=718418&historyNo=reset&cateNo=637&p=1
[]
[718418,718419,718420,718421,718422,718423,718424,718425,718426,718427]
{"718418":[1,2,3,4],"718419":[1,2,3,4],"718420":[1,2,3,4],"718421":[1,2,3,4],"718422":[1,2,3,4],"718423":[1,2,3,4],"718424":[1,2,3,4],"718425":[1,2,3,4],"718426":[1,2,3,4],"718427":[1,2,3,4]}
focus
118701077
