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弦,弧,扇形,弓形
Author:
timothyngyf
GeoGebra
New Resources
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
兩位數加法
第八周作业
Discover Resources
七巧板
四邊形外接正方形
P3 平行與垂直02 測試
六邊形
線性變換矩陣（二階）的副本
Discover Topics
Arithmetic Mean
Geometric Mean
Rational Numbers
Curve Sketching
Planes