英语词汇“proper fraction”是什么意思，“proper fraction”的读音、用法及例句翻译-烛光网

词汇	proper fraction
释义	proper fractionn.Mathematics（名词）【数学】 A numerical fraction in which the numerator is less than the denominator.真分数：分子比分母小的数学分数 A polynomial fraction in which the numerator is of a lower degree than the denominator.分子比分母低一级的多项分数
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