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                    //parselnt()字符
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<html>
<head>
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#branding ul a:hove:
{
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background:yellow;
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<div>
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<div id="q">
<input type="text" id="t1"/>
<select id="oper">
            <option value="+">+</option>
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<input type="text" id="t2"/>
<input type="button" value="=" onclick="a()"/>
<span id="s1"></span>
</div>
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posted @ 2017-12-28 20:32  确定取消  阅读(68)  评论(0编辑  收藏  举报