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congruent (AAA)
Author:
Ricky Chan
GeoGebra
New Resources
近似值：有效數字
找出對稱軸
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
四邊形的特性
Discover Resources
已知橢圓 x^2/a^2+y^2/b^2=1 (a>b>0)
相似圖形基本概念
梯形
轉盤
Copy of 梭哈的機率
Discover Topics
Division
Bar Chart or Bar Graph
Expected Value
Interest Calculation
Statistical Characteristics