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重难题组周练（1）——二次函数
Author:
程洁
Topic:
Quadratic Functions
GeoGebra
New Resources
拼砌四邊形
近似值：有效數字
美國國旗 (Codex 版)
四邉形 (四年級) 教師版
國旗 (作圖步驟直接餵給 Claude)
Discover Resources
Book4
優良作品3(怡雯)
Apollonius Problem 7 CCP Inversion simple
y=sinx+1,y=2sinx,y=sin2x的圖形
拼出三角形的副本
Discover Topics
Hypergeometric Distribution
Normal Distribution
Linear Equations
Scatter Plot
Plane Figures or Shapes