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An angle problem
Author:
liuzhe821
Topic:
Angles
an angle problem
GeoGebra
New Resources
畫出對稱圖形
兩位數除以一位數（二）
三位數除以一位數（二）
近似值：有效數字
【案例】2018年全国1卷理科12题
Discover Resources
為甚麼二次函數中，a是正數，開口向上?
Enneper's surface
正立方體的截痕
五形面體 序
畢氏定理
Discover Topics
Fractal Geometry
Matrices
Scatter Plot
Geometric Transformations
Probability