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congruent (AAA) 2
Author:
Ricky Chan
GeoGebra
New Resources
兩組對邊相等的四邊形
近似值：有效數字
判斷球體
小数 的副本
兩位數除以一位數（二）
Discover Resources
Task 1: Rectangle Construction
deductive geometry
Positive angles & Negative angles
四角錐體(二)
認識角度
Discover Topics
Surface
Boxplot
Cuboid
Division
Area