댓글: [PSAT 기출] 2020 5급 언어논리 나책형 17번 해설 – 라돈 222Rn 220Rn 반감기 방사선 방사선량 https://lux-rabidus.com/psat-%ea%b8%b0%ec%b6%9c-2020-5%ea%b8%89-%ec%96%b8%ec%96%b4%eb%85%bc%eb%a6%ac-%eb%82%98%ec%b1%85%ed%98%95-17%eb%b2%88-%ed%95%b4%ec%84%a4/ Thu, 21 May 2026 07:50:43 +0000 hourly 1 https://wordpress.org/?v=6.9.4 작성자: 조나탕 https://lux-rabidus.com/psat-%ea%b8%b0%ec%b6%9c-2020-5%ea%b8%89-%ec%96%b8%ec%96%b4%eb%85%bc%eb%a6%ac-%eb%82%98%ec%b1%85%ed%98%95-17%eb%b2%88-%ed%95%b4%ec%84%a4/#comment-7709 Tue, 25 Feb 2025 09:39:21 +0000 https://lux-rabidus.com/?p=6747#comment-7709 익명의 응답.

수정했습니다.

감사합니다.

]]> 작성자: 익명 https://lux-rabidus.com/psat-%ea%b8%b0%ec%b6%9c-2020-5%ea%b8%89-%ec%96%b8%ec%96%b4%eb%85%bc%eb%a6%ac-%eb%82%98%ec%b1%85%ed%98%95-17%eb%b2%88-%ed%95%b4%ec%84%a4/#comment-7707 Tue, 25 Feb 2025 08:43:04 +0000 https://lux-rabidus.com/?p=6747#comment-7707 해설상 답 5번인데 1번이라고 되어있음

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