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翰林數學_2下_CH3-1_多邊形的內角和
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翰林數學
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兩組對邊相等和有直角的四邊形
近似值：有效數字
找出對稱軸
四邊形的特性
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Sequence指令練習(包絡線：拋物線)
Addition of 3 Directed Numbers
圓與切線
lms2702b
烟囱
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Ellipse
Arithmetic Operations
Circumcircle or Circumscribed Circle
Hyperbola
Poisson Distribution