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圓錐截面曲線
Author:
Tone
GeoGebra
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兩位數加法
三位數除以一位數(一)
【案例】2018年全国1卷理科12题
柱體建築師
兩組對邊相等和有直角的四邊形
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ISOSCELES TRIANGLE
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正弦函數值的變化
三角函數名稱的由來
正十二面體內接正四面體旋轉
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Perimeter
Tangent Function
Similar Triangles
Median Line
Parabola