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製作梯形1 Making trapezium 1
Author:
周錦鋒
GeoGebra
New Resources
兩組對邊相等的四邊形
球體建築師
異分母分數減法
畫出對稱圖形
兩位數除以一位數（一）
Discover Resources
分數除法5: x ÷ a/b (包含)
GeoGebra培训手册素材
黎曼和
平行2
兩組對邊相等和有直角的四邊形
Discover Topics
Inequalities
Linear Functions
Combinatorics
Hyperbola
Vectors 2D (Two-Dimensional)