C语言编写一程序,输入3个学生的成绩,计算并输出总分与平均分。在线等...答:include <stdio.h>#include <stdlib.h>int main(){ float as,sd,df; scanf("%g%g%g",&as,&sd,&df); double sum=0.; double anverage; sum=as+sd+df; anverage=sum/3.; printf("%.*lf\n",2,sum); printf("%.*lf",2,anverage); return 0;} ...
输入三个学生的成绩,求这三个学生的总成绩和平均成绩。用c语言程序答:include <stdio.h> void main(){ int a,b,c,sum;float average;printf(“please input students’ score:”);scanf(“%d,%d,%d”,&a,&b,&c);sum=a+b+c;average=sum/3.0;printf(“sum=%d,average=%f\n”,sum,average);}