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不規則圖形的周界(T)
Author:
WYC
GeoGebra
New Resources
錐體建築師
兩組對邊相等的四邊形
画直线等分三角形的面积
異分母分數減法
兩位數除以一位數（一）
Discover Resources
象形圖_李樂雯
生活中的平面圖形關係─全等
Similar triangles inscribed iteration400
三角函數的繪圖1
圆面积展开图--教学材料
Discover Topics
Arithmetic Operations
Unit Circle
Dilation
Trigonometry
Matrices