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I wrote <?php
//这是直角在左下方
echo "
for($i=1;$i<=9;$i=$i+1){
echo "
";for($j=1;$j<=$i;$j=$j+1){
echo "
".$i."*".$j."=".$i*$j."";}
echo "
";echo "
";echo "
";//直角左上方
echo "
for($i=9;$i>=1;$i=$i-1){echo "
";for($j=1;$i>=$j;$j=$j+1){
echo "
".$i."*".$j."=".$i*$j."";}
echo "
";echo "
";echo "
";//直角右下方
echo "
for($i=9;$i>=1;$i=$i-1){echo "
";for($z=0;$z<9-$i;$z=$z+1){
echo '
';}
for($j=1;$j<=$i;$j=$j+1){
echo "
".$i."*".$j."=".$i*$j."";}
echo "
";echo "
";echo "
";//直角右下方
echo "
for($i=1;$i<=9;$i=$i+1){echo "
";for($z=0;$z<9-$i;$z=$z+1){
echo '
';}
for($j=1;$j<=$i;$j=$j+1){
echo "
}
echo "
";echo "
";
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