简单计算器

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  xmlns="http://www.w3.org/1999/xhtml">
 
  http-equiv="Content-Type" content="text/html; charset=utf-8" />
  </span>计算器<span class="webkit-html-tag">
 
 
   
 
 
id="form1" name="form1" method="post" action="">
  width="476" height="217" border="1" align="center">
 
  colspan="3" scope="col">="num">
  type="text" name="num" id="result" value="" />
  scope="col">type="button" name="el" id="el" value=" C " onclick="getDle()"/>
  scope="col" align="center">type="button" name="el" id="tl" value=" CE " onclick="getRe()"/>
 
 
  align="center">type="button" name="z" id="num7" value=" 7 " onclick="getNum('7')"/>
  align="center">type="button" name="z" id="num8" value=" 8 " onclick="getNum('8')" />
  align="center">type="button" name="z" id="num9" value=" 9 " onclick="getNum('9')" />
  align="center">type="button" name="el" id="tl" value=" +/- " onclick="getOpp()" />
  align="center">type="button" name="el" id="fl" value=" % " onclick="getOp('%')"/>
 
 
  align="center">type="button" name="z" id="num6" value=" 6 " onclick="getNum('6')"/>
  align="center">type="button" name="z" id="num5" value=" 5 " onclick="getNum('5')" />
  align="center">type="button" name="z" id="num4" value=" 4 " onclick="getNum('4')" />
  align="center">type="button" name="el" id="ffl" value=" + " onclick="getOp('+')" />
  align="center">type="button" name="el" id="sl" value=" - " onclick="getOp('-')" />
 
 
  align="center">type="button" name="one" id="num1" value=" 1 " onclick="getNum('1')"/>
  align="center">type="button" name="z" id="num2" value=" 2 " onclick="getNum('2')"/>
  align="center">type="button" name="z" id="num3" value=" 3 " onclick="getNum('3')" />
  align="center">type="button" name="el" id="sl" value=" * " onclick="getOp('*')"/>
  align="center">type="button" name="el" id="eel" value=" / " onclick="getOp('/')"/>
 
 
  align="center">type="button" name="z" id="num0" value=" 0 " onclick="getNum('0')"/>
  align="center">type="button" name="z" id="ten" value=" . " onclick="getNum('.')" />
   
  align="center">type="button" name="nl" id="nl" value=" = " onclick="getResult()"/>
  align="center">type="button" name="el" id="tl" value="返回" onclick="getDle()" />
 
 
 
 
 
 

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