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Plainmeter explained
Author:
Ku, Yin Bon (Albert)
GeoGebra
New Resources
垂直線的斜率
直線的斜率
龙形曲线-分形龙
圓周公式的應用
正方形雪花图案
Discover Resources
EnergyMath 2-3 複數乘法的幾何意義
梯形
軌跡五、六︰移動點與兩直線保持相等距離(平行線/角平分線)
Copy of Introduction of pH
法線 (The Normal Line)