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正弦定理
Author:
yuchengda
GeoGebra
New Resources
異分母分數減法
兩組對邊相等的四邊形
四邊形的特性
算柱 (兩位數)
画直线等分三角形的面积
Discover Resources
waaachen
可积准则
多重指令
比例中的定值問題(二)
函数作图工具的副本
Discover Topics
Median Line
Addition
Polygons
Histogram
Parametric Curves