'1:-4=-5:20' 이 식에서 내항의 곱과 외항의 곱이 20으로 같으므로 이 식은 성립한다. 그런데 왼쪽의 비는 왼쪽 수가 더 크고, 오른쪽 비는 오른쪽 수가 더 크니 비는 같을 수 없다. 어떻게 된 일일까?(이 식이 성립하는지 성립하지 않는지 쓰고, 그 이유를 설명해주시면 됩니다)
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Function: require_once댓글 작성하기 댓글수0
