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長方形
Author:
Yip Chi Wai
GeoGebra
New Resources
兩組對邊相等的四邊形
第八周作业
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
找出對稱軸
Discover Resources
黎曼和
三角形分割
正多面體
GGB4
翰林數學_2下_CH3-1_三角形的內角與外角
Discover Topics
Arithmetic Operations
Vectors 3D (Three-Dimensional)
Orthocenter
Percentages
Rhombus