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slide21
Author:
tao sun
GeoGebra
New Resources
近似值：有效數字
Earth with coastline
國旗 (作圖步驟直接餵給 Claude)
四邉形 (四年級) 教師版
畫出對稱圖形
Discover Resources
量度的誤差 Errors in Measurement
立方體展開圖
电子表格建点
QQ空间
Inclined plane (Angle between two planes)
有理数与无理数
Discover Topics
Continuity
Sine
Algebra
Circumcircle or Circumscribed Circle
Percentages