#include <stdio.h> #include <stdlib.h> int main() { float a,b,c,d,e,average; printf("请输入你的五科考试成绩:\n"); scanf("%f,%f,%f,%f,%f",&a,&b,&c,&d,&e); average=(a+b+c+d+e)/5; printf("average score = %.2f\n",average); return 0; }