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等腰，角度关系
Author:
pjcfs
GeoGebra
New Resources
找出對稱軸
算柱 (兩位數)
【案例】2018年全国1卷理科12题
拼砌四邊形
兩位數加法
Discover Resources
Roger Test Draw
-(√3/2)³ ≤ sinα sinβ sinγ ≤ (√3/2)³
正棱台的侧面展开效果
Fraction(2)
多平面鏡反射成像
Discover Topics
Functions
Sphere
Dilation
Power Functions
Vectors 3D (Three-Dimensional)