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¡¡¡¡<script type="text/javascript">
          var count = 0; //Àµ²ò¿ô¥«¥¦¥ó¥ÈÍÑ
          var c = 0;      //²ò¤ÎÊÝ´ÉÍѤ˥°¥í¡¼¥Ð¥ëÊÑ¿ô¤òÀßÃÖ
          function load(){     // load¤È¤¤¤¦Ì¾Á°¤Î´Ø¿ô
               // a + b =  c ¤Ë¤Ä¤¤¤Æ
               var a = Math.floor(Math.random()*9)+1;     //ÊÑ¿ôa¤òÀë¸À¤·¡¢a¤Ë1¡Á9¤ÎÍð¿ô¤òÂåÆþ¤¹¤ë
               var b = Math.floor(Math.random()*9)+1;     //ÊÑ¿ôb¤òÀë¸À¤·¡¢b¤Ë
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               c = a + b;     //c¤Ëa+b¤Î·×»»·ë²Ì¤òÂåÆþ¤¹¤ë

               document.getElementById("que").innerHTML = a + "+" + b;     // que¤È¤¤¤¦£É£Ä̾¤Îdiv¤Ëhtml¤È¤·¤Æ±¦ÊÕ¤ÎÆâÍƤòÂåÆþ¤¹¤ë¡ÊÌäÂêɽ¼¨¡Ë
           }
          function sol(){
               var d = document.getElementById("ans").value;     //ÊÑ¿ôd¤Ë²òÅúÍó¤Î¿ô»ú¤òÂåÆþ¤¹¤ë
               if(c == d){     //²òÅú¤È°ìÃפ·¤¿¤é
 
                   count ++;  //ÊÑ¿ôcount¡¡¤Ë1¤ò²Ã¤¨¤ë
                    alert("Àµ²ò¤Ç¤¹¡ª¡ª¡¡Àµ²ò¿ô¡§"+count );
                   
document.getElementById("ans").value = "";     //²òÅúÍó¤ò¶õÇò¤Ë
                    load();      //´Ø¿ôload()¤òºÆ¤Ó¸Æ¤Ó¹þ¤ó¤Ç¡¢¼¡¤ÎÌäÂê¤òÄ󼨤¹¤ë¡£
               }else{            //°ìÃפ·¤Ê¤«¤Ã¤¿¤é

               }
          }
     </script>
     <style type="text/css">
     <!--
     .question {
          font-size:20px; position:absolute; left:10px;
          }
     .answer {
          font-size:20px; position:absolute; left:60px; width:40px;
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     -->
     </style>
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<body onload="load();">
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Core JavaScript 1.5 Guide

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          var c = 0;      //²ò¤ÎÊÝ´ÉÍѤ˥°¥í¡¼¥Ð¥ëÊÑ¿ô¤òÀßÃÖ
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               // a + b =  c ¤Ë¤Ä¤¤¤Æ
               var a = Math.floor(Math.random()*9)+1;     //ÊÑ¿ôa¤òÀë¸À¤·¡¢a¤Ë1¡Á9¤ÎÍð¿ô¤òÂåÆþ¤¹¤ë
               var b =
Math.floor(Math.random()*9)+1;     //ÊÑ¿ôb¤òÀë¸À¤·¡¢b¤Ë1¡Á9¤ÎÍð¿ô¤òÂåÆþ¤¹¤ë
               c = a + b;     //c¤Ëa+b¤Î·×»»·ë²Ì¤òÂåÆþ¤¹¤ë

               document.getElementById("que").innerHTML = a + "+" + b;     // que¤È¤¤¤¦£É£Ä̾¤Îdiv¤Ëhtml¤È¤·¤Æ±¦ÊÕ¤ÎÆâÍƤòÂåÆþ¤¹¤ë¡ÊÌäÂêɽ¼¨¡Ë
           }
          function sol(){
               var d = document.getElementById("ans").value;     //ÊÑ¿ôd¤Ë²òÅúÍó¤Î¿ô»ú¤òÂåÆþ¤¹¤ë
               if(c == d){     //²òÅú¤È°ìÃפ·¤¿¤é
                    alert("Àµ²ò¤Ç¤¹¡ª¡ª");
                   
document.getElementById("ans").value = "";     //²òÅúÍó¤ò¶õÇò¤Ë
                    load();      //´Ø¿ôload()¤òºÆ¤Ó¸Æ¤Ó¹þ¤ó¤Ç¡¢¼¡¤ÎÌäÂê¤òÄ󼨤¹¤ë¡£
               }else{            //°ìÃפ·¤Ê¤«¤Ã¤¿¤é

               }
          }
     </script>
     <style type="text/css">
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     .question {
          font-size:20px; position:absolute; left:10px;
          }
     .answer {
          font-size:20px; position:absolute; left:60px; width:40px;
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     -->
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Core JavaScript 1.5 Guide

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          var c = 0;      //²ò¤ÎÊÝ´ÉÍѤ˥°¥í¡¼¥Ð¥ëÊÑ¿ô¤òÀßÃÖ
          function load(){     // load¤È¤¤¤¦Ì¾Á°¤Î´Ø¿ô
               // a + b =  c ¤Ë¤Ä¤¤¤Æ
               var a = 1;     //ÊÑ¿ôa¤òÀë¸À¤·¡¢a¤Ë1¤òÂåÆþ¤¹¤ë
               var b = 2;     //ÊÑ¿ôb¤òÀë¸À¤·¡¢b¤Ë2¤òÂåÆþ¤¹¤ë
               c = a + b;     //c¤Ëa+b¤Î·×»»·ë²Ì¤òÂåÆþ¤¹¤ë

               document.getElementById("que").innerHTML = a + "+" + b;     // que¤È¤¤¤¦£É£Ä̾¤Îdiv¤Ëhtml¤È¤·¤Æ±¦ÊÕ¤ÎÆâÍƤòÂåÆþ¤¹¤ë¡ÊÌäÂêɽ¼¨¡Ë
           }
          function sol(){
               var d = document.getElementById("ans").value;     //ÊÑ¿ôd¤Ë²òÅúÍó¤Î¿ô»ú¤òÂåÆþ¤¹¤ë
               if(c == d){     //²òÅú¤È°ìÃפ·¤¿¤é
                    alert("Àµ²ò¤Ç¤¹¡ª¡ª");
                   
document.getElementById("ans").value = "";     //²òÅúÍó¤ò¶õÇò¤Ë
                    load();      //´Ø¿ôload()¤òºÆ¤Ó¸Æ¤Ó¹þ¤ó¤Ç¡¢¼¡¤ÎÌäÂê¤òÄ󼨤¹¤ë¡£
               }else{            //°ìÃפ·¤Ê¤«¤Ã¤¿¤é

               }
          }
     </script>
     <style type="text/css">
     <!--
     .question {
          font-size:20px; position:absolute; left:10px;
          }
     .answer {
          font-size:20px; position:absolute; left:60px; width:40px;
          }
     -->
     </style>
</head>
<body onload="load();">
      <div id="que" class="question"></div>¡á
      <input id="ans" class="answer" type="text" value="" onkeypress="sol();" />

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Core JavaScript 1.5 Guide

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          var c = 0;      //²ò¤ÎÊÝ´ÉÍѤ˥°¥í¡¼¥Ð¥ëÊÑ¿ô¤òÀßÃÖ
          function load(){     // load¤È¤¤¤¦Ì¾Á°¤Î´Ø¿ô
               // a + b =  c ¤Ë¤Ä¤¤¤Æ
               var a = 1;     //ÊÑ¿ôa¤òÀë¸À¤·¡¢a¤Ë1¤òÂåÆþ¤¹¤ë
               var b = 2;     //ÊÑ¿ôb¤òÀë¸À¤·¡¢b¤Ë2¤òÂåÆþ¤¹¤ë
               c = a + b;     //c¤Ëa+b¤Î·×»»·ë²Ì¤òÂåÆþ¤¹¤ë

               document.getElementById("que").innerHTML = a + "+" + b;     // que¤È¤¤¤¦£É£Ä̾¤Îdiv¤Ëhtml¤È¤·¤Æ±¦ÊÕ¤ÎÆâÍƤòÂåÆþ¤¹¤ë¡ÊÌäÂêɽ¼¨¡Ë
           }
          function sol(){
               var d = document.getElementById("ans").value;     //ÊÑ¿ôd¤Ë²òÅúÍó¤Î¿ô»ú¤òÂåÆþ¤¹¤ë
               if(c == d){     //²òÅú¤È°ìÃפ·¤¿¤é
                    alert("Àµ²ò¤Ç¤¹¡ª¡ª");
               }else{            //°ìÃפ·¤Ê¤«¤Ã¤¿¤é

               }
          }
     </script>
     <style type="text/css">
     <!--
     .question {
          font-size:20px; position:absolute; left:10px;
          }
     .answer {
          font-size:20px; position:absolute; left:60px; width:40px;
          }
     -->
     </style>
</head>
<body onload="load();">
      <div id="que" class="question"></div>¡á
      <input id="ans" class="answer" type="text" value="" onkeypress="sol();" />

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Core JavaScript 1.5 Guide

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          var c = 0;      //²ò¤ÎÊÝ´ÉÍѤ˥°¥í¡¼¥Ð¥ëÊÑ¿ô¤òÀßÃÖ
          function load(){     // load¤È¤¤¤¦Ì¾Á°¤Î´Ø¿ô
               // a + b =  c ¤Ë¤Ä¤¤¤Æ
               var a = 1;     //ÊÑ¿ôa¤òÀë¸À¤·¡¢a¤Ë1¤òÂåÆþ¤¹¤ë
               var b = 2;     //ÊÑ¿ôb¤òÀë¸À¤·¡¢b¤Ë2¤òÂåÆþ¤¹¤ë
               c = a + b;     //c¤Ëa+b¤Î·×»»·ë²Ì¤òÂåÆþ¤¹¤ë

               document.getElementById("que").innerHTML = a + "+" + b;     // que¤È¤¤¤¦£É£Ä̾¤Îdiv¤Ëhtml¤È¤·¤Æ±¦ÊÕ¤ÎÆâÍƤòÂåÆþ¤¹¤ë¡ÊÌäÂêɽ¼¨¡Ë
           }
          function sol(){
               var d = document.getElementById("ans").value;     //ÊÑ¿ôd¤Ë²òÅúÍó¤Î¿ô»ú¤òÂåÆþ¤¹¤ë
               if(c == d){     //²òÅú¤È°ìÃפ·¤¿¤é

               }else{            //°ìÃפ·¤Ê¤«¤Ã¤¿¤é

               }
          }
     </script>
     <style type="text/css">
     <!--
     .question {
          font-size:20px; position:absolute; left:10px;
          }
     .answer {
          font-size:20px; position:absolute; left:60px; width:40px;
          }
     -->
     </style>
</head>
<body onload="load();">
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      <input id="ans" class="answer" type="text" value="" onkeypress="sol();" />

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Core JavaScript 1.5 Guide

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¡¡¡¡<script type="text/javascript">
          var c = 0;      //²ò¤ÎÊÝ´ÉÍѤ˥°¥í¡¼¥Ð¥ëÊÑ¿ô¤òÀßÃÖ
          function load(){     // load¤È¤¤¤¦Ì¾Á°¤Î´Ø¿ô
               // a + b =  c ¤Ë¤Ä¤¤¤Æ
               var a = 1;     //ÊÑ¿ôa¤òÀë¸À¤·¡¢a¤Ë1¤òÂåÆþ¤¹¤ë
               var b = 2;     //ÊÑ¿ôb¤òÀë¸À¤·¡¢b¤Ë2¤òÂåÆþ¤¹¤ë
               c = a + b;     //c¤Ëa+b¤Î·×»»·ë²Ì¤òÂåÆþ¤¹¤ë

               document.getElementById("que").innerHTML = a + "+" + b;     // que¤È¤¤¤¦£É£Ä̾¤Îdiv¤Ëhtml¤È¤·¤Æ±¦ÊÕ¤ÎÆâÍƤòÂåÆþ¤¹¤ë¡£
           }
          function sol(){
               var d = document.getElementById("ans").value;     //ÊÑ¿ôd¤Ë²òÅúÍó¤Î¿ô»ú¤òÂåÆþ¤¹¤ë
          }
     </script>
     <style type="text/css">
     <!--
     .question {
          font-size:20px; position:absolute; left:10px;
          }
     .answer {
          font-size:20px; position:absolute; left:60px; width:40px;
          }
     -->
     </style>
</head>
<body onload="load();">
      <div id="que" class="question"></div>¡á
      <input id="ans" class="answer" type="text" value="" onkeypress="sol();" />

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Core JavaScript 1.5 Guide

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¡¡¡¡<script type="text/javascript">
          var c = 0;      //²ò¤ÎÊÝ´ÉÍѤ˥°¥í¡¼¥Ð¥ëÊÑ¿ô¤òÀßÃÖ
          function load(){     // load¤È¤¤¤¦Ì¾Á°¤Î´Ø¿ô
               // a + b =  c ¤Ë¤Ä¤¤¤Æ
               var a = 1;     //ÊÑ¿ôa¤òÀë¸À¤·¡¢a¤Ë1¤òÂåÆþ¤¹¤ë
               var b = 2;     //ÊÑ¿ôb¤òÀë¸À¤·¡¢b¤Ë2¤òÂåÆþ¤¹¤ë
               c = a + b;     //c¤Ëa+b¤Î·×»»·ë²Ì¤òÂåÆþ¤¹¤ë

               document.getElementById("que").innerHTML = a + "+" + b;     // que¤È¤¤¤¦£É£Ä̾¤Îdiv¤Ëhtml¤È¤·¤Æ±¦ÊÕ¤ÎÆâÍƤòÂåÆþ¤¹¤ë¡£
           }
          function sol(){

          }
     </script>
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     .question {
          font-size:20px; position:absolute; left:10px;
          }
     .answer {
          font-size:20px; position:absolute; left:60px; width:40px;
          }
     -->
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Core JavaScript 1.5 Guide

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¡¡¡¡<script type="text/javascript">
          var c = 0;      //²ò¤ÎÊÝ´ÉÍѤ˥°¥í¡¼¥Ð¥ëÊÑ¿ô¤òÀßÃÖ
          function load(){     // load¤È¤¤¤¦Ì¾Á°¤Î´Ø¿ô
               // a + b =  c ¤Ë¤Ä¤¤¤Æ
               var a = 1;     //ÊÑ¿ôa¤òÀë¸À¤·¡¢a¤Ë1¤òÂåÆþ¤¹¤ë
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