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龍騰4_1-1講進5
Author:
廖傑成
GeoGebra
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兩位數加法
画直线等分三角形的面积
拼砌四邊形
兩組對邊相等和有直角的四邊形
判斷球體
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龍騰4_1-1課例3
Taiwan go
利用積分計算次方總和
P5三角形的面積
带电粒子在匀强磁场中的运动
Discover Topics
Area
Multiplication
Plane Figures or Shapes
General Quadrilateral
Secant Line or Secant