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拋物線
Author:
chen mingchuan
GeoGebra
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直角坐標平面上的旋轉變換
兩位數除以一位數(一)
【案例】2018年全国1卷理科12题
異分母分數減法
兩位數加法
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Difference of Two Squares 平方差 (2)
Rotation 旋轉變換
球體的截面
tetrahedron rotational symmetric
阿基米德多面體