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dandelin
Author:
袁智强
GeoGebra
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讀磅
兩位數除以一位數(一)
球体的体积推导
空间中两直线的位置关系
多邊形的面積
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三個函數的最小值的最大值
椭圆与圆的关系
Number of solutions of two straight lines
F2_Ch11.1_三角學(對鄰斜)
微積分基本定理的副本
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Reflection
Arithmetic
Linear Functions
Probability
Indefinite Integral