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題 1
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
四邊形的特性
sanjiaohanshu
畫出對稱圖形
兩位數除以一位數（一）
近似值：有效數字
Discover Resources
廻轉式壓縮機運轉圖
纏繞SEQUENCE版
正方体展开图的副本
畫等腰直角三角形
橢圓1-同心圓法
Discover Topics
Matrices
Straight Lines
Triangles
Scatter Plot
Piecewise Functions