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Plainmeter explained
Author:
Ku, Yin Bon (Albert)
Topic:
Area
GeoGebra
New Resources
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
球体的体积推导
球體建築師
判斷球體
Discover Resources
哈里斯螺旋 (Harriss Spiral)
模擬3D物件
二次函數：一般式轉標準式 (配方法)
行列式計算平行四邊形面積
四邊形四個九點圓共點
拖拉小正方体
Discover Topics
Angles
Inequalities
Linear Regression
Hyperbola
Polygons