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2021全国乙卷理18(四棱锥,线面垂直,长度,二面角)
Author:
jjx01
Topic:
Pyramid
,
Solids or 3D Shapes
GeoGebra
New Resources
空间中两直线的位置关系
直線的斜率：水平變化 & 鉛垂變化
科氏力 (Coriolis Force)
【案例】圆柱体内放置一个大球六个小球
圓的基本性質
Discover Resources
费马点
昨天各種筆的銷售情況
學習單：三角形任一外角與內角關係
test04
二階行列式-平行四邊形的面積
Discover Topics
Parallelogram
Coordinates
Calculus
Ellipse
Statistical Characteristics