<script>
var max,mid,min;
// 270 120 -》30 -》0
max=270;
mid=120;
while (min!=0)
{
min= max%mid;
max=mid;
mid=min;
}
alert(max);
</script>
var max,mid,min;
// 270 120 -》30 -》0
max=270;
mid=120;
while (min!=0)
{
min= max%mid;
max=mid;
mid=min;
}
alert(max);
</script>
program zuidagongyueshu;
var m,n,a,b,r:integer;
begin『主程序』
write('Input m,n=');
readln(m,n);
a:=m;
b:=n;
repeat
r:=a mod b;
a:=b;
b:=r;
until r=0;
writeln('The greatest common divide is:',a);
end。没想到还真是一样,!