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兩圓內外公切線

Author:梅

New Resources

找出對稱軸
【案例】2018年全国1卷理科12题
判斷球體
直角坐標平面上的旋轉變換
三位數除以一位數（二）

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由拉線80235螢橋國中
Golden Spiral
重心
鉛筆畫圓
Illusion-平行线错觉

Discover Topics

Symmetry
Step Functions
Polygons
Rectangle
Interest Calculation

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