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畫三角形 第1題
Author:
misssiunc
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
錐體建築師
柱體建築師
四邊形的特性
【案例】2013年安徽高考15题
【案例】2018年全国1卷理科12题
Discover Resources
(3D) Tasks: Pyramid, Paper folding & Solid of revolution[20170615]
工具：DimensionArrows
橢圓3--平行四邊形法
同心圓
弦的垂直線何時平分弦活動?
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Ratios
Linear Equations
Straight Lines
Geometry
Quadrilaterals