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折纸角度探究1
Author:
陈力
Topic:
Constructions
,
Geometry
,
Symmetry
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
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三角形
N-ellipse
【折纸】A4纸折四面体
C60足球模型（弧线）
Discover Topics
Indefinite Integral
Linear Programming or Linear Optimization
Standard Deviation
Poisson Distribution
Probability