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龍騰4_1-1課隨1
Author:
廖傑成
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
判斷球體
找出對稱軸
Discover Resources
畢式定理（丞昀）
優良作品4
雙曲線的定義
定周长的正多边形面积变化规律
将三角形面积一分为二
Discover Topics
Solids or 3D Shapes
Vectors 3D (Three-Dimensional)
Trapezoid
Square
Arithmetic Mean