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奠基
Author:
tan90
GeoGebra
New Resources
判斷球體
拼砌四邊形
兩組對邊相等的四邊形
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
Discover Resources
比和比值
差的完全平方
proof10 曹詠鈞
test
小正多边形在大正多边形内的滚动(边长不相等)
Discover Topics
Linear Regression
Geometry
Subtraction
Intersection
Right Triangles