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矩形折叠(翻折问题)
Author:
浅蓝色
GeoGebra
New Resources
拼砌四邊形
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
Discover Resources
內心
題 9
威力彩開獎機
第五組-畢氏定理
螺旋正方形
Discover Topics
Trapezoid
Geometric Distribution
Function Graph
Cylinder
Prism