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斐波那契螺旋弧线（表格法-可动态调节）
Author:
孟宝兴
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
兩位數除以一位數（一）
拼砌四邊形
Discover Resources
方格紙上畫正方形2
折扣 例1
test06
test
Apollonius Problem 8 CLL homo 12
Discover Topics
Geometry
Cylinder
Algebra
Means
Straight Lines