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一线三等角模型
Author:
冯姣龙
Topic:
Similar Triangles
,
Similarity Transformation or Similarity
GeoGebra
New Resources
垂直線的斜率
直線的斜率
圓周公式的應用
祖冲之的期望：内棋与外棋
兩位數加法
Discover Resources
分數除法5: x ÷ a/b (包含)
Mobius strip
大福彩開獎機
等腰直角三角形
我的第一个绘本
Discover Topics
Mathematics
Parallelogram
Reflection
Binomial Distribution
Geometry