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直线与圆相切
Author:
蔡永志
直线与圆相切
GeoGebra
New Resources
四邉形 (四年級) 教師版
球體建築師
算柱 (兩位數)
畫出對稱圖形
兩位數除以一位數（一）
Discover Resources
Verification of Pythagoras Theorem 驗証畢氏定理
自動調整切割數的積分
平移
約分
S3 Polynomials
Discover Topics
Dilation
Linear Functions
Logarithmic Functions
Cube
Sphere