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双动点问题
Author:
陈宜红
Topic:
Congruence
,
Constructions
,
Triangles
GeoGebra
New Resources
畫出對稱圖形
兩位數加法
兩位數除以一位數（一）
錐體建築師
異分母分數減法
Discover Resources
商高定理之正三角形1
Roger Test Draw
複合棒形圖
curve 函數的示範
翰林卷第10题
Discover Topics
Combinatorics
Geometry
Logarithmic Functions
Percentages
Power Functions