#include <stdio.h>
int main()
{
??? int x=5;
??? int y=5;
??? int z=10;
??? printf("x是否大于y:%d\n", x>y?????????? ); //x是否大于y
??? printf("y是否大于等于x:%d\n",? y>=x???? );//y是否大于等于x
??? printf("y是否小于z:%d\n",?? y<z????????? ); //y是否小于z
??? printf("z是否小于等于x:%d\n",?? z<=x??? )；//z是否小于等于x
??? printf("z是否等于x+y:%d\n",?? z==x+?? ); //z是否等于x+y
??? return 0;
}