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初犯九點圓
Author:
XIE Yuheng
Topic:
Geometry
九點圓
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
第八周作业
拼砌四邊形
兩位數除以一位數（一）
Discover Resources
數學題目的模型
科博館的水畢氏三角
Midpoint Theorem and Intercept Theorem
範例二
正三角形在长方形边上移动加滚动
Discover Topics
Stochastic Process or Random Process
Arithmetic Operations
Calculus
Sine
Bar Chart or Bar Graph