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【2020高考】全国1卷（理科） 第18题
Author:
孟宝兴
GeoGebra
New Resources
GeoGebra笔记功能体验课件
柱體建築師
異分母分數減法
四邊形的特性
找出對稱軸
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練習
過圓內c點的弦中點軌跡
包絡線1
鏡頭控制
ANG_ FIRST_GGB
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Tangent Line or Tangent
Cone
Rotation
Means
Pythagoras or Pythagorean Theorem