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Copy of 二面角
Author:
林 亦旸
,
qianqianhouhou
二面角的概念，拖动A、E点改变半平面
GeoGebra
本课件昆山老季制作 QQ：35266477
New Resources
直角坐標平面上的旋轉變換
Earth with coastline
判斷球體
AI 訓練教室
拼砌四邊形
Discover Resources
三角形外心-性質說明
vector addition and subtraction
優良作品3(祥恩)
button
兩位數除以一位數（二）
Discover Topics
Quadratic Equations
Coordinates
Fractions
Curve Sketching
Constructions