<?php 

$say = "0"; 

while ($say <=19) { 
$say++; 
?>
<tr> 
<th width="17" scope="row"><? echo $say; ?></th><th width="71" scope="row"><? 
$result=mysql_query("SELECT kullanicino,sinif,denemeno,soruno ,uyecevap from karne where kullanicino='$kullanicino' and sinif='$sinif' and ders='$ders' and denemeno='$denemeno'  order by soruno asc limit $say,1 ;"); 
$a=mysql_fetch_row($result); 
?> 
<a href="/uyelik/deneme.php?sinif=<? echo $sinif;?>&denemeno=<? echo $denemeno; ?>&username=<? echo $username; ?>&soruno=<? echo $say;?>&kullanicino=<? echo $kullanicino; ?>&ders=<? echo $ders; ?>" class="highlightit" ><img src="/gununsorusu/upload/<? echo $a[4];?>" border="0"></a></th> 
</tr> 

<?php 
} 
?>
ama bu seferde 20. şıkkı göstermiyor

ekte resmi verdim.