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2021南京中考数学27
Author:
蔡永志
GeoGebra
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兩組對邊相等和有直角的四邊形
判斷球體
近似值：有效數字
直角坐標平面上的旋轉變換
異分母分數減法
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模擬「分頁」效果
[問題] 橢圓與雙曲線有共同焦點
分段函數作圖教學
阴影部分例子
Ex5C#14
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Linear Programming or Linear Optimization
Translation
Fractal Geometry
Tree Diagrams
Cuboid