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梯形(面積)
Author:
WYC
Topic:
Area
,
Trapezoid
GeoGebra
New Resources
四邉形 (四年級) 教師版
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
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[工具箱] 標示長度
Quiz on Indices and Logarithms 指數和對數：測驗
Copy of 七巧板
圓錐曲線
圆锥侧面展开图
Discover Topics
Vectors 2D (Two-Dimensional)
Differential Calculus
Plane Figures or Shapes
Fractions
Geometry