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Another parametrization of the helix
Author:
罗凯鑫
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
四邊形的特性
球體建築師
Discover Resources
範例：自製工具「格線」
GeoGebra
百葉窗2
範例一
平行線(方格版)
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Stochastic Process or Random Process
Vectors 3D (Three-Dimensional)
Trapezium
Numbers
Rational Numbers