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椭圆的光学性质
Author:
孟宝兴
GeoGebra
New Resources
拼砌四邊形
兩位數除以一位數(二)
三位數除以一位數(二)
【案例】2018年全国1卷理科12题
錐體建築師
Discover Resources
公切線長度的計算
三角測量
極座標與圓進階版
Locus (Two points 1)
七下数学案例教程2-对顶角和邻补角例题
Discover Topics
Diagrams
Straight Lines
Cone
Interest Calculation
Quadrilaterals