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鉛筆畫圓
Author:
Ching-Hui Chou
GeoGebra
New Resources
判斷球體
兩位數除以一位數（一）
四邉形 (四年級) 教師版
柱體建築師
四邊形的特性
Discover Resources
坐標測驗
田中的道路2
複合圖形(五)
一次函數與斜率
Locus (Segment)
Discover Topics
Linear Programming or Linear Optimization
Multiplication
Secant Line or Secant
Straight Lines
Circle