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congruent (AAS) 3
Author:
Ricky Chan
GeoGebra
New Resources
画直线等分三角形的面积
異分母分數減法
兩組對邊相等和有直角的四邊形
判斷球體
三位數除以一位數（一）
Discover Resources
AP的中點所形成的圖形
切線斜率
四点共圆
平移
k126各國基地
Discover Topics
Percentages
Linear Regression
Interest Calculation
Geometric Transformations
Logarithmic Functions