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正n邊形內角與外角
Author:
李春培
Topic:
Angles
正n邊形內角與外角
GeoGebra
New Resources
兩位數除以一位數（一）
找出對稱軸
錐體建築師
【案例】2018年全国1卷理科12题
柱體建築師
Discover Resources
三角函數
Staff Development Temp
Copy of 函數切線及法線
中國火柴遊戲一的副本
小立方体组合的三视图-立方体可任意拖动
Discover Topics
Random Variables
Upper and Lower Sum or Riemann Sum
Statistical Characteristics
Stochastic Process or Random Process
Line Segment