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连续开方（制作：谢建华，修订：孟宝兴）
Author:
孟宝兴
GeoGebra
New Resources
sanjiaohanshu
畫出對稱圖形
第八周作业
長方體平面投影 (Codex版)
近似值：有效數字
Discover Resources
廻轉式壓縮機運轉圖
transformation_enlarge/reduction
螢橋國中 鄭毅華
兩位數乘三位數直式
翰林數學_2下_CH4-2_特殊平行四邊形有關對角線的性質
Discover Topics
Straight Lines
Area
Incircle or Inscribed Circle
Inequalities
Cylinder