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ptccs2new

Author:Cheung Wing Chuen

New Resources

sanjiaohanshu
Earth with coastline
算柱 (兩位數)
Fibonacci Clock
四邉形 (四年級) 教師版

Discover Resources

線段上分點軌跡(橢圓)
直线与椭圆
圓面積與圓周長
橢圓包絡線
直线与圆的位置关系

Discover Topics

Hypothesis Testing
Special Points
Linear Equations
Similar Triangles
Differential Equation

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