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PTCCS2new2
Author:
Cheung Wing Chuen
GeoGebra
New Resources
画直线等分三角形的面积
四邊形的特性
兩組對邊相等的四邊形
柱體建築師
判斷球體
Discover Resources
過圓內一點最短弦
劉徽的「割圓術」
長方體的表面面積
平行四邊形柱算體積(可以切開)
Problem1:(md+me+mf)/(ad+be+cf)=a
Discover Topics
Quadratic Equations
Cosine
Differential Calculus
Sphere
Polynomial Functions