#include<stdio.h>
int main()
{
int x = 0;
printf("x=%d/n",x++);
printf("x=%d/n",x+2);
printf("x=%d/n",++x);
return 0;
}
0
3
4
0.3.4
2
x+2不改变x的值
不对,0 1 4
答案应该是4