카카오스토리
URL 복사
의 임의의 두 원소 a, b에 대하여 연산 ⊕를 a⊕b=a+b-2로 정의할 때, 연산 ⊕에 대한 3의 역원은?https://gongquiz.com/main/pages/search.php?q=%EA%B2%BD%EC%B0%B0%EA%B3%B5%EB%AC%B4%EC%9B%90%28%EC%88%9C%EA%B2%BD%29+%EC%88%98%ED%95%99
https://gongquiz.com/main/pages/%EC%8B%A4%EC%88%98+%EC%A0%84%EC%B2%B4%EC%9D%98+%EC%A7%91%ED%95%A9+%7BQUIZIMG%3A1%7D+%EC%9D%98+%EC%9E%84%EC%9D%98%EC%9D%98+%EB%91%90+%EC%9B%90%EC%86%8C+a%2C+b%EC%97%90+%EB%8C%80%ED%95%98%EC%97%AC+%EC%97%B0%EC%82%B0+%E2%8A%95%EB%A5%BC+a.quiz?mode=practice&quizNo=722237&historyNo=reset&p=2&q=%EA%B2%BD%EC%B0%B0%EA%B3%B5%EB%AC%B4%EC%9B%90%28%EC%88%9C%EA%B2%BD%29+%EC%88%98%ED%95%99
[]
[722237,722238,722239,722240,722241,722242,722243,722244,722245,722246]
{"722237":[1,2,3,4],"722238":[1,2,3,4],"722239":[1,2,3,4],"722240":[1,2,3,4],"722241":[1,2,3,4],"722242":[1,2,3,4],"722243":[1,2,3,4],"722244":[1,2,3,4],"722245":[1,2,3,4],"722246":[1,2,3,4]}
practice
123534887
