一个有理数(Rational)是由一个分子(numerator)和分母(denominator)组成的a/b形式的数。编写程序实现有理数如下功能: 包括三个文件Rational.h,Rational....

private); Rational subtract(Rational private); Rational multiply(Rational); Rational divide(Rational private); void printRational(); Private: Long numerator; Long denominator; };这是一个可以实现有理数功能的C++程序:Rational.h:#ifndef RATIONAL_H #define RATIONAL_Hclass Rational { public: Rational(); //默认

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