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Function: get_footer

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Function: require_once

수학동아 - 폴리매스
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[문자와 식] 이야기로 배우는 일차 부등식
수학동아 2018.12.28 00:29 조회 2464
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최근 들어 하늘이 뿌연 날이 많다. 바로 미세먼지 때문이다. 아이들은 놀이터에서 뛰어 놀지도 못하고 어른들 또한 마스크를 착용하는 데 이골이 났다. 이번달에는 우리를 괴롭히고 있는 미세먼지에 대해 알아보고, 미세먼지 예보를 통해 일차부등식에 대해서도 배워 보자.

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#일차부등식 #미세먼지 #초미세먼지 #부등식의해
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