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二面角
Author:
qianqianhouhou
二面角的概念,拖动A、E点改变半平面
GeoGebra
New Resources
找出對稱軸
三位數除以一位數(一)
兩位數除以一位數(二)
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
優良作品5(沛綺)
随机分支长度的二分树
工作紙-真分數乘以真分數
數學繪圖
翰林數學_2下_CH3-4_樞紐定理
Discover Topics
Percentages
Rotation
Quadratic Equations
Means
Polygons