N-4-2 較大位數之乘除計算:處理乘數與除數為多位數之乘除直式計算。教師用位值的概念說明直式計算的合理性
認識基金會
最新動態
平台數據
教師資源區
常見問題
問題回報/許願池
捐款支持
企業合作
公益報告
© 2026 Junyi Academy
Junyi Academy is derived originally from Khan Academy, and derived from Chengzhi Foundation.
More information about Chengzhi Foundation, you can find under: http://kistschool.org/.
More information about Khan Academy, you can find under: https://www.khanacademy.org/.
資訊安全政策
內容授權說明