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方向餘弦
Author:
方文正
方向餘弦
GeoGebra
New Resources
正方形雪花图案
镂空正方体案例对比
异形操场
斐波那契螺旋弧线(表格法-可动态调节)
百分數及其應用
Discover Resources
柏拉圖多面體 Platonic Solids
樞紐問題
vector addition and subtraction
給三角形, 求以三頂點為圓心, 作三個外切圓
相反数 探究 (教材第9页)
Discover Topics
Pythagoras or Pythagorean Theorem
Equations
Polynomial Functions
Constructions
Stochastic Process or Random Process