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#include<iostream.h> #include<conio.h> int m,n; class M { public: void get1(int); }; class N { public: void get2(int); }; class P:public M,public N { public: void display(); }; void M :: get1(int x) { m=x; } void N :: get2(int y) { n=y; } void P:: display() { cout<<"m="<<m<<"\tn="<<n<<"\tm*n="<<m*n; } void main() { clrscr(); P s; s.get1(10); s.get2(20); s.display(); getch(); }