(function(){var loadHandler=window['sl_{904D71D3-BFB3-4B5F-80DB-6DEF9A7D32A9}'];loadHandler&&loadHandler(3, '<div id="spr0_e1998a"><div id="spr1_e1998a" class="kern slide"><img id="img1_e1998a" src="data/img3.png" width="720px" height="405px" alt="" style="left:0px;top:0px;"/></div><div id="spr2_e1998a" class="kern slide"><div id="spr3_e1998a" style="left:35.936px;top:20.47px;"><div style="width:0px;"><span id="txt0_e1998a" style="left:5.401px;top:5.718px;"> </span></div><div style="width:0px;"><span id="txt1_e1998a" data-width="40.505978" style="left:9.901px;top:5.718px;">Một </span> <span id="txt2_e1998a" data-width="41.490353" style="left:46.201px;top:5.718px;">viên </span> <span id="txt3_e1998a" data-width="24.501097" style="left:83.501px;top:5.718px;">bi </span> <span id="txt4_e1998a" data-width="47.932735" style="left:103.801px;top:5.718px;">được </span> <span id="txt5_e1998a" data-width="39.495235" style="left:147.476px;top:5.718px;">treo </span> <span id="txt6_e1998a" data-width="20.159300" style="left:182.776px;top:5.718px;">ở </span> <span id="txt7_e1998a" data-width="38.510860" style="left:198.701px;top:5.718px;">đầu </span> <span id="txt8_e1998a" data-width="32.165157" style="left:233.001px;top:5.718px;">sợi </span> <span id="txt9_e1998a" data-width="36.489376" style="left:260.931px;top:5.718px;">dây </span> <span id="txt10_e1998a" data-width="43.010860" style="left:293.236px;top:5.718px;">nhẹ, </span> <span id="txt11_e1998a" data-width="37.500118" style="left:332.041px;top:5.718px;">dao </span> <span id="txt12_e1998a" data-width="47.510860" style="left:365.346px;top:5.718px;">động </span> <span id="txt13_e1998a" data-width="37.201290" style="left:408.651px;top:5.718px;">như</span></div><div style="width:0px;"><span id="txt14_e1998a" data-width="45.533321" style="left:5.401px;top:31.638px;">hình </span> <span id="txt15_e1998a" data-width="37.500118" style="left:44.901px;top:31.638px;">9.3. </span> <span id="txt16_e1998a" data-width="27.506956" style="left:76.401px;top:31.638px;">Vị </span> <span id="txt17_e1998a" data-width="27.506956" style="left:97.901px;top:31.638px;">trí </span> <span id="txt18_e1998a" data-width="37.500118" style="left:119.401px;top:31.638px;">cân </span> <span id="txt19_e1998a" data-width="47.510860" style="left:150.901px;top:31.638px;">bằng </span> <span id="txt20_e1998a" data-width="37.500118" style="left:192.401px;top:31.638px;">của </span> <span id="txt21_e1998a" data-width="41.490353" style="left:223.901px;top:31.638px;">viên </span> <span id="txt22_e1998a" data-width="24.501097" style="left:259.401px;top:31.638px;">bi </span> <span id="txt23_e1998a" data-width="24.501097" style="left:277.901px;top:31.638px;">là </span> <span id="txt24_e1998a" data-width="23.490355" style="left:296.401px;top:31.638px;">vị </span> <span id="txt25_e1998a" data-width="27.506956" style="left:313.901px;top:31.638px;">trí </span> <span id="txt26_e1998a" data-width="43.010860" style="left:335.401px;top:31.638px;">nào?</span></div></div><div id="spr4_e1998a" style="left:36px;top:375.375px;"><div style="width:0px;"><span id="txt27_e1998a" class="nokern" data-width="45.043945" style="left:5.401px;top:5.838px;">28/01/2026</span></div></div><div id="spr5_e1998a" style="left:516px;top:375.375px;"><div style="width:0px;"><span id="txt28_e1998a" class="nokern" style="left:158.051px;top:4.243px;">4</span></div></div><div id="svg0_e1998a" style="left:513px;top:119.571px;"><svg width="61" height="23" viewBox="0 0 61 23"><path fill="#ffffff" d="M0,0 h60.171 v22.397 h-60.171 Z"/></svg></div><div id="spr6_e1998a" style="left:503.048px;top:62.769px;"><img id="img0_e1998a" src="data/img7.png" width="181" height="264" alt="Giải bài 9 Sự truyền âm | Giải khoa học tự nhiên 7 cánh diều - Tech12h" style="left:-0.024px;top:0.045px;"/></div><div id="spr7_e1998a" style="left:9.257px;top:130.77px;"><div style="width:0px;"><span id="txt29_e1998a" data-width="59.458008" style="left:7.2px;top:4.559px;">Trả lời:</span></div><div style="width:0px;"><span id="txt30_e1998a" style="left:61.2px;top:26.159px;">V</span></div><div style="width:0px;"><span id="txt31_e1998a" style="left:72.2px;top:26.159px;">ị</span></div><div style="width:0px;"><span id="txt32_e1998a" data-width="254.959106" style="left:77.2px;top:26.159px;"> trí cân bằng của viên bi là vị trí A</span></div></div><div id="svg1_e1998a" style="left:10.757px;top:30.603px;"><svg width="25" height="35" viewBox="0 0 25 35"><path fill="#ffff00" d="M0,0 h24.686 v34.534 h-24.686 Z"/></svg></div><div id="spr8_e1998a" style="left:10.757px;top:30.603px;"><div style="width:0px;"><span id="txt33_e1998a" style="left:5.401px;top:3.979px;">?</span></div></div></div></div>', '{"s":[]}');})();