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No.5
Author:
Khmaths
GeoGebra
New Resources
圓的切線方程
常见四边形是否是双心四边形
平行線的斜率
正方形雪花图案
斜率的值
Discover Resources
拿破崙三角形
斜率 - 概念及定義 (2)
垂直1
仙后座找北極星 (底稿)
C60足球模型展开（单色版）
Discover Topics
Right Triangles
Intersection
Step Functions
Fractal Geometry
Scatter Plot