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더 이상의 자세한 설명은 생략합니다 ㅠㅠ
+) 진학 후기: "그런 짓은 하지 말아야 했는데 난 그 사실을 몰랐어"
+2) 제 성적을 정확히 맞히는 분께 아이스크림 기프티콘을 드리겠습니다.
작성자
댓글 33
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수고하셨습니다 . 수요일도 열심히 달려봐요!
+ 어느단원에서 가장힘드셧나요?
- ex) 무리함수 파트
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도형의 방정식 부분이요...
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48.3
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옼ㅋㅋ
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안타깝지만 틀렸습니다.
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...아아 우리 기말고사 범위를 지금 하고계시군요...
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...... 네? 거기 진도 미친듯이 나가는 곳 아니었나요?
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예 1학기 기말고사...
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Aㅏ...
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오시지요....(?)
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네...?
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허허허...오십쇼....이곳으로....!(?)
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안가겠소! 닷씨는 안가겠소!!!
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하하하핫!
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귀류법
루트7이 유리수라고 가정하면...
시험출제자는 시험지에 "루트7은 유리수" 라는 것을 증명하는 문제를 내야만 한다.
그러나 시험지의 문제 지문에서는 루트7이 무리수라는 점을 증명했므로,
루트7은 유리수가 아닌 무리수이다.
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ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ
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귀류법
결론을 부정하여 rt7이 유리수라고 가정하면
rt7= n/m (m, n은 서로소인 자연수) ----①
①에서 7m^2=n^2 ------②
이때 n^2이 7의 배수이므로 n도 7의 배수이다.
n=7k(k는 자연수)로 나타내어 ②에 대입하면
7m^2=(7k)^2, 즉 m^2=7k^2
이때 m^2이 7의 배수이므로 m도 7의 배수이다.
즉, m, n이 모두 7의 배수이므로 m, n이 서로소라는
가정에 모순이다.
따라서 rt7은 유리수가 아니다.
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Perfect! 하지만 안타깝게도 상품은 없습ㄴ...
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83.3
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안타깝네요. 아닙니다.
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66.3
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저런! 오답입니다.
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49.3보다 큽니까?
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그걸 알려드리면 게임이 쉬워지죠.
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ㅎㅎ 그렇죠
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99.3점 예상합니다~
저는 고등학교 때 받아본 적 없는 점수이네요 ㅠㅠ
그럼 남은 시험도 화이팅이요!!
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99.3... 일리가 있겠습니까 ㅠㅠ
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/[0-100]/
3.3~ 98.3
이 안에 점수가 있습니다.
100%확률로 맞을거 같습니다
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100% 확률로 맞긴 합니다만 정확한 범위가 아니므로 오답입니다.
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15.3점(...)
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아닙니다 ㅋㅋㅋㅋ
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귀류법....
√7이 유리수라고 가정해보자...