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一类折射问题的纯几何做法
Author:
吴勇
GeoGebra
New Resources
第八周作业2
盈利與虧蝕
球体的截面
龙形曲线-分形龙2
平行線的判定
Discover Resources
幾何圖形
生活中的平面圖形─點與線的性質
tetrahedron_refection
櫻花鉤吻鮭
五形面體 序
Discover Topics
Definite Integral
Unit Circle
Trigonometry
Trigonometric Functions
Angles