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gtx-f03-usa-01 美國國旗
Author:
arist
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數加法
拼砌四邊形
柱體建築師
判斷球體
Discover Resources
Dividing a Trapezium
tube15240
題目
任何三角形內角和180度(五上數翰４－２)
sin(x) 的函數圖形 的複本
Discover Topics
Centroid or Barycenter
Trigonometric Functions
Ellipse
Surface
Parallelogram