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三年級上冊數學時分秒的換算
三年級上冊數學時分秒的換算
更新时间:2024-10-01 06:14:14

時間的換算,包括時轉分、分轉時,跟二年級下冊相關的知識點是列豎式計算計算有餘數的除法。

必須記住:1時=60分 1分=60秒 1時=3600秒

三年級上冊數學時分秒的換算(三年級上冊時分秒換算專項練習)1

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