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二次函數圖形測驗
Author:
李春培
GeoGebra
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兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
異分母分數減法
三位數除以一位數（二）
Discover Resources
Angles in the Circumference and the Centre
菱形
S2 ch2.3 simultaneous equation
-1 ≤ cosA cosB cosC ≤ 1/8
橢圓3--平行四邊形法
Discover Topics
Normal Distribution
Integral Calculus
Diagrams
Optimization Problems
Unit Circle