编写程序,现实从键盘输入某个学生的三门课考试成绩(百分制计算),计算...答:int main(void){ double a,b,c,p,q;while(scanf("%lf %lf %lf",&a,&b,&c)!=EOF){ p=a+b+c;q=p/3.0;printf("%.1lf %.1lf\n",p,q);} return 0;}
编写c语言程序,输入学生语数英三门课程成绩(考虑到数据类型,整型和实...答:include <stdio.h> main(){ double CH,MA,EN,average,sum;scanf("%ld,%ld,%ld",&CH,&MA,&EN);sum=CH+MA+EN;average=sum/3.0;printf("sum=%ld,average=%ld\n",sum,average);}