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三角函数值
Author:
谭伟
GeoGebra
New Resources
柱體建築師
【案例】圆柱体内放置一个大球六个小球
畫出對稱圖形
三位數除以一位數（一）
兩位數除以一位數（二）
Discover Resources
反射變換
高斯定理：對角線中點共線
B3_1-5_互動例6
兩圓
reflectional symmetry_6
Discover Topics
Diagrams
Median Line
Prism
Vectors 2D (Two-Dimensional)
Sphere