求解C语言编程1~6答:int a,b,c;printf("input 1,2,3\n");scanf("%d,%d,%d",&a,&b,&c);printf("%d\n\n",a+b+c);} fflush(stdin);//part4:{ char s[60];int L;char fm[30];printf("input one line string: hello\n");fgets(s,59,stdin);L=strlen(s);printf("string length is %d\n",...