#include ＂stdio.h＂ #include ＂stdlib.h＂ #include ＂string.h＂ #include ＂conio.h＂ jiemian(); struct student { char name[50]; char sex[5]; int age; char num[50]; float score1; float score2; float score3; float sum; float ave; }stu[50],del; void gn1() { int i=0; char num1; for(i=0;i显示学生信息＂)； printf(＂\t\t\t6>...