程序的运行结果是。#includevoid num(){ extern int x,y;int a=15,b=10;x=a-b;y=a b;}int x,y;void main(){ int a=7,b=5;x=a b;y=a-b;num();printf("%d,%d",x,y);} 结果是 运行 发布时间:2024-05-10 10:04:01