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題 6
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
找出對稱軸
畫出對稱圖形
三位數除以一位數（二）
Discover Resources
平行四邊形切割
量角器
三角形面積公式B1
爱心曲线
祖冲之的期望：内棋与外棋
Discover Topics
Linear Equations
Hyperbola
Reflection
Complex Numbers
Piecewise Functions