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二次函数1
Author:
陈铁成
GeoGebra
New Resources
兩位數除以一位數（一）
直線的斜率
球体的体积推导
画直线等分三角形的面积
平行線的斜率
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兩點距離
一元二次不等式測驗
Copy of 平行四邊形面積
F3 Ch9.3 羅盤方位角
作线段和角
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Multiplication
Normal Distribution
Quadratic Equations
Difference and Slope
Fractal Geometry