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仰角和俯角
Author:
SIN MING WONG
,
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
New Resources
【案例】2018年全国1卷理科12题
異分母分數減法
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
【案例】圆柱体内放置一个大球六个小球
Discover Resources
动态展示圆面积的构成
二元一次方程式 1
Angle Sum of Triangle
立體ㄉ
椭圆内切圆链
Discover Topics
Conic Sections
Plane Figures or Shapes
Arithmetic Operations
Diagrams
Angles