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製作梯形1 Making trapezium 1
Author:
周錦鋒
GeoGebra
New Resources
直角坐標平面上的旋轉變換
畫出對稱圖形
兩組對邊相等的四邊形
三位數除以一位數（二）
拼砌四邊形
Discover Resources
圖是正確的
根據百分率找數量（一）: 例3
觀察對數的對稱性
CK雋翔的GGB BOOK
圖解多項式的乘積
Discover Topics
Trapezoid
Vectors 3D (Three-Dimensional)
Integral Calculus
Standard Deviation
Conditional Probability