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圖四的副本
Author:
LT14888061
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
找出對稱軸
算柱 (兩位數)
兩位數除以一位數（二）
Discover Resources
凹透镜
二維
橢圓
鑲嵌
两角和的正弦公式几何证明1
Discover Topics
Polygons
Rational Numbers
Geometry
Secant Line or Secant
Hyperbola