速率的應用問題 (上篇) 【學生用】(六年級)~ 清大附小 馮汝琪老師 (有cc字幕和影片重點整理)
Synopsis
這部影片會和你討論平均速率和相遇、相離的應用問題該如何思考和解題喔! 影片重點整理: ...
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