toan_tu php

phuocvo1996 · phuocvo1996 · commit 4a0a69538fe5 · 2017-10-14T16:46:14.000+07:00
diff --git a/Bien.php b/Bien.php
@@ -6,7 +6,7 @@
     $old = 21 ;
      echo "ten: $name <br>";
      echo "*************";
-     echo "dia chi:$address <br>";
+     echo "dia chi:$adress <br>";
      echo "************";
      echo "tuoi: $old <br>";
      echo "**************";
diff --git a/toan_tu.php b/toan_tu.php
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title></title>
+</head>
+<body>
+    <?php
+         $a = 5 ;
+         $b = 6 ;
+         $tong = $a + $b ;
+         echo " Tong cua $a + $b = $tong";
+    ?>
+</body>
+</html>
