지레와 경사의 원리를 활용한 도구 조사하기(4-5) by https://padlet.com/mye2025/quaqzywmxnm2m46z en-us 2025-05-13 23:48:23 UTC 2025-05-14 01:29:34 UTC hello@padlet.com 예시(0모둠) myporoco1 https://padlet.com/mye2025/quaqzywmxnm2m46z/wish/3449429923 병따개는 지레의 원리가 사용됨

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