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Summary
Author:
iedc
GeoGebra
New Resources
拼砌四邊形
異分母分數減法
判斷球體
找出對稱軸
兩組對邊相等和有直角的四邊形
Discover Resources
Copy of 劉徽的「割圓術」
認識分數
勾股定理
Addition and Subtraction of Directed Numbers (1)
翰林數學_2下_CH3-1_對頂角必相等
Discover Topics
Angles
Trapezoid
Complex Numbers
Curve Sketching
Orthocenter