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一般地,用A、B表示两个整式,A÷B就可以表示成A/B的形式。如果B中含有字母,式子A/B就叫做分式。其中,A叫做分式的分子,B叫做分式的分母。
In general, two integers are represented by A and B, and A÷B can be expressed in the form of A/B. If B contains letters, equations A/B are called fractions. Among them, A is called a fractional numerator and B is called a denominator of fractions.