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九點圓
Author:
李詠甯
九點圓
GeoGebra
New Resources
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
四邊形的特性
兩位數加法
兩位數除以一位數（一）
Discover Resources
task 8
判斷錐體 2
Copy of 随机模拟实验（撒豆子估算π）
Copy of 數線的繪製
翰林數學_2下_CH4-1_截線與截角的意義
Discover Topics
Piecewise Functions
Polygons
Frequency Distribution
Angles
Exponent