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fchengang
Author:
符成岗
GeoGebra
New Resources
平行線的判定
第八周作业
科氏力 (Coriolis Force)
撒针估算面积实验
三角函数 的副本
Discover Resources
將「文字」標示在長與寬
在試算表中使用按鈕、下拉式選單、勾選框
圓錐與扇形之關係
k126各國基地
翰林數學_2下_CH3-4_大角對大邊
Discover Topics
Piecewise Functions
Equilateral Triangles
Logarithmic Functions
Straight Lines
Means