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Author:
Hui Sir
GeoGebra
New Resources
三位數除以一位數（一）
空间中两直线的位置关系
平行線的斜率
【案例】2018年全国1卷理科12题
祖冲之的期望：内棋与外棋
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盒子的體積
平面截距式
纏繞畫
Bisects Chord
兩組對邊相等的四邊形（三年級）
Discover Topics
Correlation
Circle
Inequalities
Curve Sketching
Differential Calculus