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制作Escher阶梯20191124
Author:
王巍
GeoGebra
New Resources
第八周作业2
折扣
第三周作业效果演示
百分數及其應用
球体的截面
Discover Resources
GeoGebraBook(for20151202)
光的折射(光线自右下向左上)
菱形
不规则平移
橢圓3--平行四邊形法
Discover Topics
Geometric Distribution
Cube
Right Triangles
Tree Diagrams
Set Theory