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九上1-2平行四邊形證明題0929
Author:
Lin Ching Chieh
GeoGebra
New Resources
GeoGebra笔记功能体验课件
第八周作业
兩位數除以一位數（一）
找出對稱軸
兩位數除以一位數（二）
Discover Resources
千變萬化的顏色
有趣的切圓
圓周 (圖形F)
四邊形四個九點圓共點(九點心)
八個方向
Discover Topics
Bar Chart or Bar Graph
Arithmetic Mean
Limits
Scatter Plot
Step Functions