c语言如何三个数求和答:是三个数求和:int a,b,c,sum;char c1,c2;scanf("%d%c%d%c%d",&a,&c1,&b,&c2,&c);if(c1=='+' && c2=='+')sum=a+b+c;printf("%d+%d+%d=%d\n",a,b,c,sum);运行时,输入 12+34+56回车 或 1+2+3回车
用c语言调用函数实现3个数求和的程序答:include <stdio.h>#include <stdlib.h>int Fun(int a, int b){return a+b;}int main(int argc, char *argv[]) {int a,b,c;scanf("%d %d %d",&a,&b,&c);int sum=Fun(Fun(a,b),c);printf("\nsum=%d",sum);return 0;} ...