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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</a> <span>/</span> <a href="javascript:;">單選題</a> </div> <div id="ihl1pwm" class="m-wrap g-cw cfx"> <div id="i9u4d9h" class="w fl"> <div id="wkkyrfg" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="4kq466f" class="question-block"> <div id="iw9hdrw" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5121048.shtml" class="ques-origin a-pointer" target="_blank"> (2021八上·鹽湖期末) </a> 如圖，△ABC的頂點A，B，C在邊長為1的正方形網(wǎng)格的格點上，則BC邊上的高為（　　）<p><img width="132" height="159" src="http://tikupic.21cnjy.com/2022/10/28/b2/92/b2928ef722dcda7c3e6409c443e7da4b_159x193.png" style="max-width:100%;"></p> </h1> <div id="t4z6vyq" class="exam-s"> <span id="qllcdin" class="op-item"><span id="yq46vnk" class="op-item-nut">A . </span><span id="ed494hz" class="op-item-meat"><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%3Cmrow%3E%3Cmsqrt%3E%3Cmrow%3E%3Cmn%3E3%3C%2Fmn%3E%3Cmn%3E0%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsqrt%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmfrac%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="4h2win4" class="op-item"><span id="kfgiqjy" class="op-item-nut">B . </span><span id="gthntf4" class="op-item-meat"><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%3Cmrow%3E%3Cmn%3E8%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E5%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmfrac%3E%3Cmsqrt%3E%3Cmrow%3E%3Cmn%3E5%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsqrt%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="1f4layg" class="op-item"><span id="9ohpofb" class="op-item-nut">C . </span><span id="k919y6o" class="op-item-meat"><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%3Cmrow%3E%3Cmn%3E4%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E5%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmfrac%3E%3Cmsqrt%3E%3Cmrow%3E%3Cmn%3E5%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsqrt%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="ftcqqgc" class="op-item"><span id="495ntye" class="op-item-nut">D . </span><span id="tl4mijy" class="op-item-meat"><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%3Cmrow%3E%3Cmsqrt%3E%3Cmrow%3E%3Cmn%3E1%3C%2Fmn%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsqrt%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E2%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 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