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固定面積的圖形周界變化
Author:
phcheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
畫出對稱圖形
拼砌四邊形
【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
兩位數加法
Discover Resources
asqSQ
立體 - 方位角及仰角
涌动
二次函数的值
放射狀圖形
Discover Topics
Solids or 3D Shapes
Differential Equation
Exponent
General Quadrilateral
Congruence