C++编写程序定义带参数的宏SUM(A,B)和SUB(A,B)分别求出两数之和及两数...答:include <iostream> define SUM(a,b) ( (a)+(b) )define SUB(a,b) ( (a)-(b) )int main(){ int a = 0, b = 0,c = 0;std::cout<<"请输入a,b,c值:";std::cin>>a>>b>>c;std::cout<<SUB(SUM(a,b), c)<<std::endl;return 0;} 这个代码一定要注意宏要打括号,...
编写求两个数之和,及平均值的三个数,在主函数调用他们并输出结果!编 ...答:求两个数之和,及平均值的三个数。三个数?啥意思?include<stdio.h>void main(){ float a,b,sum,ave; scanf("%f",&a); scanf("%f",&b); sum=doSum(a,b); ave=doAve(a,b); printf("和为%f,平均值为%f",sum,ave);}float doSum(float a,float b){ r...