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翰林B4習p81_9
Author:
廖傑成
翰林B4習p81_9
GeoGebra
New Resources
兩位數加法
兩位數除以一位數（一）
直角坐標平面上的旋轉變換
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
Discover Resources
Arcs and Angles at Centre/ Circumference 弧、圓心角與圓周角
ghk106a07 圓半徑與外切、外離關係
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繪本
題 2
Discover Topics
Prism
Differential Equation
Conic Sections
Median Line
Reflection