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畫三角形 題1d
Author:
GeoGebra Institute of Hong Kong
Topic:
Right Triangles
,
Triangles
GeoGebra
New Resources
近似值：有效數字
sanjiaohanshu
Earth with coastline
拼砌四邊形
小数 的副本
Discover Resources
第一次任務
齒輪作圖
奠基測試
序列
百分數應用題：比較兩數大小
Discover Topics
Straight Lines
Geometric Mean
Trapezoid
Cube
Rotation