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congruent (SSA, RHS)
Author:
Ricky Chan
GeoGebra
New Resources
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
拼砌四邊形
兩位數除以一位數（二）
Discover Resources
rectangle construction
弦心距比較
不盡相異物的排列
徐峻彥's GGB book
題10
Discover Topics
Exponent
Cuboid
Set Theory
Sine
Isosceles Triangles