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麟月元夭
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异形操场
盈利與虧蝕
撒针估算面积实验
第八周作业1
活动三：应用性质
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車輪
Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)
DSE Circle-ACT06 Relationship of Tangents and Radius of a Circle
橢圓折痕
滾球平台
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Parallelogram
Parametric Curves
Constructions
Vectors 2D (Two-Dimensional)
Inequalities