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Copy of 銳角三角：sin, cos
Author:
Gideon Huang
,
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
找出對稱軸
拼砌四邊形
【案例】2013年安徽高考15题
画直线等分三角形的面积
Discover Resources
國中數學
斯坦納-雷米歐司(Steiner-Lehmus)定理證明一
直線排列1
三角形內部一點問題
(008)80102
Discover Topics
Frequency Distribution
Addition
Polygons
Statistical Characteristics
Geometry