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三節棍1060317
Author:
陳正鴻
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
拼砌四邊形
【案例】2018年全国1卷理科12题
第八周作业
兩位數除以一位數（一）
Discover Resources
Conic section
Section Curves
Copy of 長方形與正方形的面積
不是平行四邊形的四邊形
少了一個質數One less prime number
Discover Topics
Arithmetic
Pythagoras or Pythagorean Theorem
Sine
Logarithm
Fractal Geometry