#include <stdio.h> #include <conio.h> int main(int argc, char * argv[]) { float stu1, stu2, stu3; double average; printf("请输入3个学生的语文成绩\n"); scanf("%f,%f,%f", &stu1, &stu2, &stu3); average = (stu1+stu2+stu3)/3.0; printf("这三个学生的平均成绩是:%6.2f\n", average); getchar(); getch(); return 0; }