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Author:陳兪宏

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【案例】2013年安徽高考15题
異分母分數減法
兩組對邊相等的四邊形
四邊形的特性
判斷球體

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掃描不等式 (講義版)
橢圓
異分母的分數加減
李樂雯_尋找PI的活動
圓外切四邊形

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Trapezoid
Congruence
Isosceles Triangles
Real Numbers
Differential Equation

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