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門格海綿
Author:
吳政憲
GeoGebra
A1={polygon(A,B,C,D)} A2=Join(dilate(A1,1/3,A),dilate(A1,1/3,B),dilate(A1,1/3,C),dilate(A1,1/3,D),dilate(A1,1/3,(A+B)/2),dilate(A1,1/3,(B+C)/2),dilate(A1,1/3,(C+D)/2),dilate(A1,1/3,(D+A)/2))
New Resources
漂亮的摇摆曲线
兩位數除以一位數(二)
讀磅
【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
Discover Resources
正方形和長方形有甚麼特性?
proof25陳佑豪
愛心曲線
辽南协作校10题
狗绕五边形转
Discover Topics
Solids or 3D Shapes
Set Theory
Planes
Volume
Straight Lines