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Author:
李伶芳
GeoGebra
New Resources
判斷球體
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
球体的体积推导
Discover Resources
XYAxix
中垂線性質
三角形的內心與內切圓
[洋葱] 给定面积找点(0057)
双绝对值函数的最小值.许兴华数学
Discover Topics
Rotation
Median Line
Coordinates
Exponential Functions
Scalene Triangles