週三STEAM研習 by 吳逢碩 https://padlet.com/54xian/igo1z2hf21w685u7 en-us 2023-10-21 03:18:42 UTC 2023-10-25 06:09:43 UTC hello@padlet.com 投石器 54xian https://padlet.com/54xian/igo1z2hf21w685u7/wish/2756863668 S：

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]]> 2023-10-24 16:40:08 UTC https://padlet.com/54xian/igo1z2hf21w685u7/wish/2761366232 https://padlet.com/54xian/igo1z2hf21w685u7/wish/2762354858 槓桿原理

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