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一线三直角模型证全等
Author:
陈宜红
Topic:
Constructions
,
Triangles
GeoGebra
New Resources
折扣
平行線的判定
盈利與虧蝕
撒针估算面积实验
龙形曲线-分形龙2
Discover Resources
HKMO 2013 Question 3 Demonstration (Geometric Construction)
硬幣繞多邊形面積
直角坐标系
折扣 例1的副本
河北省2016年25题
Discover Topics
Algebra
Reflection
Vectors 2D (Two-Dimensional)
Ellipse
Cylinder