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橢圓2--四圓心近似法
Author:
26林佳玟1
橢圓2--四圓心近似法
GeoGebra
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兩位數加法
算柱 (兩位數)
找出對稱軸
近似值：有效數字
球體建築師
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物件顯示條件
电子表格建点
讀量杯上的刻度
三角排列
正方体的十一种展开图
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Solids or 3D Shapes
Equilateral Triangles
Root
Continuity
Quadratic Functions