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earth
Author:
chen mingchuan
GeoGebra
New Resources
柱體建築師
找出對稱軸
兩組對邊相等和有直角的四邊形
兩位數加法
【案例】2018年全国1卷理科12题
Discover Resources
GGB風雲榜
Easter egg
銀杏葉
GGB8
Protractor-usage
Discover Topics
Geometric Transformations
Hypergeometric Distribution
Scatter Plot
Tree Diagrams
Vectors 2D (Two-Dimensional)