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椭圆画法1--参数方程法
Author:
冯伟冀
GeoGebra
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椭圆内切圆链
百分數及其應用
盈利與虧蝕
第八周作业
球体的截面
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Math_Class Activity 1
外心
生活中的平面圖形問題1
F-10-2-poly3-gph-bac-1
中華民國國旗
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Rectangle
Scalene Triangles
Arithmetic Operations
Reflection
Coordinates