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7.1.2 平面直角坐標系
Author:
Loi Teng Chong
GeoGebra
New Resources
三角函数 的副本
祖冲之的期望：内棋与外棋
讀磅
兩位數加法
平行線的斜率
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Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
軌跡,摺紙,滾動,實驗觀察,曲線
Copy of 3S2 01a 平行四邊形 20151207
STEM 遇上 GeoGebra 研討會暨工作坊 (小學)
Copy of gjc091b18 圓的割線
我的第一个绘本
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Plane Figures or Shapes
Isosceles Triangles
Rhombus
Differential Calculus
Integers