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class="top-register-item">注冊</a> </li> </ul> </div> </div> </div> <div id="t1bx1xv" class="crumbs g-cw"> <i class="iconw-fixed"></i> <span>當前位置：</span>   <a href="/question?tree_type=category&xd=2&chid=3" class="pointer">初中數(shù)學(xué)</a> <span>/</span> <a href="javascript:;">單選題</a> </div> <div id="xtjxtbt" class="m-wrap g-cw cfx"> <div id="rlzj9nt" class="w fl"> <div id="pld7ln3" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="t19dprb" class="question-block"> <div id="plzjft3" class="q-mc"> <h1 class="q-tit"> 1. 下列關(guān)系式中，y是x反比例函數(shù)的是（　?。?/p> </h1> <div id="d5br1px" class="exam-s"> <span id="r1rrhvr" class="op-item"><span id="3pxz7f3" class="op-item-nut">A . </span><span id="bd35pt5" class="op-item-meat">y=<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmfrac%3E%3Cmn%3E1%3C%2Fmn%3E%3Cmrow%3E%3Cmn%3E2%3C%2Fmn%3E%3Cmi%3Ex%3C%2Fmi%3E%3C%2Fmrow%3E%3C%2Fmfrac%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="bdbpvbn" class="op-item"><span id="bbndxp9" class="op-item-nut">B . </span><span id="ltx7xhb" class="op-item-meat">y=<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmfrac%3E%3Cmn%3E5%3C%2Fmn%3E%3Cmi%3Ex%3C%2Fmi%3E%3C%2Fmfrac%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">-1</span></span> <span id="jpnl1jr" class="op-item"><span id="t1bhxbj" class="op-item-nut">C . </span><span id="hbtdzd5" class="op-item-meat">y=-<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmfrac%3E%3Cmn%3E1%3C%2Fmn%3E%3Cmsup%3E%3Cmi%3Ex%3C%2Fmi%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmsup%3E%3C%2Fmfrac%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="znrrdvz" class="op-item"><span id="hbbndr9" class="op-item-nut">D . </span><span id="nzvv7bx" class="op-item-meat">y=<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmfrac%3E%3Cmn%3E2%3C%2Fmn%3E%3Cmrow%3E%3Cmi%3Ex%3C%2Fmi%3E%3Cmo%3E%2B%3C%2Fmo%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmfrac%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="ptb5dlp" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="l1vzvpz" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=2633259" width="140px" height="140px" alt=""> <p style="text-align:center;margin-top: 10px">微信掃碼預(yù)覽、分享更方便</p> </div> <div id="bjd1dfv" class="analyize-extend JV_question__papers"> <h3 class="extend-mt">使用過本題的試卷</h3> <ul class="extend-mc"> <li> <a href="/paper/view-5251294.shtml" target="_blank" title="人教版初中數(shù)學(xué)2023-2024學(xué)年九年級下學(xué)期課時培優(yōu)練習 26.2實際問題與反比例函數(shù)" class="ex-tit"> <b></b><span>人教版初中數(shù)學(xué)2023-2024學(xué)年九年級下學(xué)期課時培優(yōu)練習 26.2實際問題與反比例函數(shù)</span> </a> </li> <li> <a href="/paper/view-5119838.shtml" target="_blank" title="（人教版）2022-2023學(xué)年九年級數(shù)學(xué)下冊26.2實際問題與反比例函數(shù)同步測試" class="ex-tit"> <b></b><span>（人教版）2022-2023學(xué)年九年級數(shù)學(xué)下冊26.2實際問題與反比例函數(shù)同步測試</span> </a> </li> </ul> </div>  <div id="l9zpxv3" class="JV_question__subject"> <ul class="subjects-recomm"> <li> <a href="/merge?id=394" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/11/13/76/a7/76a76e6216d40a4b182e08db669f4e9c.jpg"> </a> </li> <li> <a href="/merge?id=390" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/09/29/ed/45/ed453a7e6f57e01cc4f6f1bd955a6a1c.jpg"> </a> </li> <li> <a href="/merge?id=388" target="_blank"> <img 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