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相反數

Author:pingfeng.wu

Topic:Fractions

國中數學7上：相反數

New Resources

異分母分數減法
画直线等分三角形的面积
錐體建築師
找出對稱軸
兩組對邊相等和有直角的四邊形

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練習 - 逆時針旋轉（三角形）
Addition of 2 Directed Numbers
四角柱
外公切線長
平行四邊形面積

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Pyramid
Right Triangles
Statistical Characteristics
Limits
Hypergeometric Distribution

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