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四則
Author:
周錦鋒
GeoGebra
New Resources
拼砌四邊形
異分母分數減法
兩位數加法
畫出對稱圖形
算柱 (兩位數)
Discover Resources
固定三角形的條件−題2
正弦與正切值的大小關係
用几何概型估计pi值
学习谢维老师课件
初中函数
Discover Topics
Frequency Distribution
Cube
Interest Calculation
Ratios
Derivative