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:{ 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);}
C语言 输入某学生三门成绩DB、english、C language,输出三门成绩,总成...答:{ int i,j,k;int sum;float average;printf("输入DB成绩:\n");scanf("%d",&i);printf("输入english成绩:\n");scanf("%d",&j);printf("输入C language成绩:\n");scanf("%d",&k);sum=i+j+k;average=sum/3;printf("sum=%d,average=%.2f",sum,average);getchar();} 这个适合...