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Function: require_once

수학동아 - 폴리매스
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함께 풀고 싶은 문제
나도 수학쌤 문장제 문제를 변형해 문제를 내는 곳입니다.
[문장제 문제&개념응용] 가방을 찾아서 1-이상한 상인
수학동아 2020.12.06 20:34 조회 361
문제 푼 사람 0명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

수동아는 오재 현장체험학습 갔던 동굴에 놓고 온 가방이 생각나서 가지러 가기로 했지요. 근데 어젯밤 동굴에 용이 들어왔어요. 그래서 무기가 필요했어요. 마침 칼 파는 상인이 있었죠. 상인에게 칼이 얼마냐고 물어보자 아래 문제의 답만큼 돈을 달라고 했어요. 칼은 얼마일까요?

문제:각BAM=각CAM이고 선분BD=선분AB+선분AC일때, 3x각C+각BAC를 구하세요.

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