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S4E13镜面的方圆错觉
Author:
杨秀芬
GeoGebra
New Resources
第八周作业
第八周作业2
球体的截面
第三周作业效果演示
科赫雪花
Discover Resources
S5 geometry
佑玟ggb book
畢氏定理動態證明(歐基里得,應用時間參數跳躍函數)
兩線段和圓的關係2
長度和距離(毫米)
Discover Topics
Perimeter
Cosine
Trigonometric Functions
Isosceles Triangles
Statistical Characteristics