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BenhamDisk 練習檔
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学用数学
GeoGebra
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常见四边形是否是双心四边形
第八周作业1
第八周作业
比較五件物件的重量
活动三：应用性质
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圓 點 直線
救生員的職責
Multiplication of Polynomials(多項式的乘法)
congruent (SS) 2
第八周作业1
Discover Topics
Geometric Distribution
Tree Diagrams
Planes
Indefinite Integral
Geometric Transformations