# include iostream include stdlib using namespace std int Nod int int wh

 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147``` ```#include #include using namespace std; int Nod (int a, int b) { while(a > 0 && b > 0) if(a > b) a %= b; else b %= a; return a + b; } class Rational { public: int a,b; //a-числитель b-знаменатель// Rational (){ a=0; b=1;} Rational (int chislit, int znamenat); Rational operator+(Rational s) ; Rational operator-(Rational s); Rational operator*(Rational s); Rational operator/(Rational s); bool operator==(Rational s); bool operator!=(Rational s); void operator+=(Rational s); void Print (); void Change(int x,int y); void toNormal(); }; void Rational::toNormal() { int f; if (a>b) f=Nod(a,b); else f=Nod(b,a); a=a/f; b=b/f; } Rational::Rational (int chislit, int znamenat) { a=chislit; if(znamenat) b=znamenat; else {cout<<"Ne mogu podelit na ZERO"<toNormal(); } bool Rational::operator==(Rational s) { if (a==s.a && b==s.b) return true; else return false; } bool Rational::operator!=(Rational s) { if (a==s.a && b==s.b) return false; else return true; } void Rational::Print(){cout<toNormal(); } int main () { Rational R1 (7,2), R2 (9,2), R3; R3=R1+R2; R1.Print(); R2.Print(); R3.Print(); cout<<(R1==R2)<