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阴影部分例子
Author:
engeng
GeoGebra
New Resources
圓周公式的應用
直線的斜率：水平變化 & 鉛垂變化
多邊形的面積
直線的斜率
圓的切線方程
Discover Resources
XYAxix
畢氏定理動態證明(四塊直角三角形移動)
Treće pravilo podudarnosti
BkD_act15_04c
橢圓旋轉
Discover Topics
Trapezium
Dilation
Variance
Tangent Function
Distributions