//根据题意写了下面的程序，测试通过，有疑问欢迎讨论#includeusing namespace std;templateclass MathOper{private: Dtype tar1; Dtype tar2;public: MathOper(Dtype tar1, Dtype tar2){ this->tar1 = tar1; this->tar2 = tar2; } void SetTars(Dtype tar1, Dtype tar2){ //设置成员变量的值 this->tar1 = tar1; this->tar2 = tar2; } Dtype add(){ return tar1 + tar2; }};int main(){ int a = 2, b = 2; MathOpertar(a ,b);//for int printf(＂%d\n＂, tar.add()); MathOpertar_c('A', 'B'); //for char printf(＂%c\n＂, tar_c.add()); //output result return 0;}...