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翻轉學習影片描述：【講師】林李縺【講師簡介】服務於新竹縣新湖國小，是六年級導師教學年資：22年最高學歷：碩士專長領域：數理課程、運動管理課程【影片簡介】將除、減兩步驟算式合併成一個除、減混合計算式，算式中先算除，再算減將除、加兩步驟算式合併成一個除、加混合計算式，算式中先算除，再算加

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