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正弦定理
Author:
yuchengda
GeoGebra
New Resources
球体的体积推导
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
兩位數除以一位數（一）
Discover Resources
畫三角形 題3a
happy planet
三角形
circle
複數乘法的幾何意義
Discover Topics
Division
Parallelogram
Scalene Triangles
Power Functions
Geometric Mean