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固定周界的長方形面積變化
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Perimeter
,
Square
GeoGebra
New Resources
兩組對邊相等的四邊形
找出對稱軸
【案例】2018年全国1卷理科12题
算柱 (兩位數)
三位數除以一位數（一）
Discover Resources
Circle on a Sphere
正四面體利用向量座標轉換展開圖
移動滑桿k 控制k1 k2 k3數值變化
數學傳播39卷4期, 平面幾何公式思考
单晨答空间曲面
Discover Topics
Logarithmic Functions
Integers
Means
Vectors 2D (Two-Dimensional)
Interest Calculation