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椭圆第一定义
Author:
wangyiyao
Topic:
Conic Sections
,
Ellipse
GeoGebra
New Resources
盈利與虧蝕
斐波那契螺旋弧线(表格法)
第三周作业效果演示
第八周作业
GeoGebra数学资源(4-8年级)
Discover Resources
向量相加
Proof1 彭凱揚
TEST
極座標
纏繞畫2
Discover Topics
Vectors 3D (Three-Dimensional)
Congruence
Calculus
Geometric Transformations
Percentages