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(002)80201辛宇婕
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螢橋國中
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拼砌四邊形
算柱 (兩位數)
柱體建築師
第八周作业
兩組對邊相等和有直角的四邊形
Discover Resources
交集与并集的动态展示
巴拉拉能量
學習活動二解的圖形
Quiz on Addition and Subtraction of Directed Numbers (2)
椭圆的离心率
Discover Topics
Arithmetic Operations
Geometric Transformations
Special Points
Kite
Translation