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軌跡觀察
Author:
shan chun
GeoGebra
New Resources
拼砌四邊形
【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
第八周作业
兩組對邊相等和有直角的四邊形
Discover Resources
方格紙上畫平行四邊形4
折扣 例3
常態分配
Compound Inequalities(複合不等式)
GeoGebra使用指南
Discover Topics
Set Theory
Cube
Arithmetic
General Quadrilateral
Trigonometry