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小正多边形在大正多边形内的滚动(边长相等)
Author:
孟宝兴
GeoGebra
New Resources
找出對稱軸
画直线等分三角形的面积
【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
四邊形的特性
Discover Resources
正立方體
test book
纏繞SEQUENCE任意多邊版
Copy of 面積:從梯形到三角形 02
九九乘法表的認識
Discover Topics
Orthocenter
Normal Distribution
Integral Calculus
Histogram
Line Segment