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        var contenta='';
            flag_arr[1151]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1151\',\'5.00\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_13_1151_1_2_1151||5.00_0"  style="cursor:pointer;" class="videop"><p id="name_1151" >二次根式的性质与化简';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>4分38秒 </em><em class="videop">5.00元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1152]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1152\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_14_1152_1_2_1152||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1152" >二次根式的性质与化简（例题1）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>42秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1153]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1153\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_15_1153_1_2_1153||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1153" >二次根式的性质与化简（例题2）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>1分17秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1154]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1154\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_16_1154_1_2_1154||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1154" >二次根式的性质与化简（例题3）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分11秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1155]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1155\',\'5.00\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_17_1155_1_2_1155||5.00_0"  style="cursor:pointer;" class="videop"><p id="name_1155" >二次根式定义';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>3分48秒 </em><em class="videop">5.00元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1156]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1156\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_18_1156_1_2_1156||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1156" >二次根式定义（例题1）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>3分46秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1157]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1157\',\'5.00\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_19_1157_1_2_1157||5.00_0"  style="cursor:pointer;" class="videop"><p id="name_1157" >二次根式有意义的条件';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>1分42秒 </em><em class="videop">5.00元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1158]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1158\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_20_1158_1_2_1158||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1158" >二次根式有意义的条件（例题1）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>24秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1159]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1159\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_21_1159_1_2_1159||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1159" >二次根式有意义的条件（例题2）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分2秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1160]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1160\',\'5.00\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_22_1160_1_2_1160||5.00_0"  style="cursor:pointer;" class="videop"><p id="name_1160" >角平分线的判定';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分31秒 </em><em class="videop">5.00元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1161]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1161\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_23_1161_1_2_1161||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1161" >角平分线的判定（例题1）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>1分54秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1162]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1162\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_24_1162_1_2_1162||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1162" >角平分线的判定（例题2）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分37秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1163]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1163\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_25_1163_1_2_1163||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1163" >角平分线的判定（例题3）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>4分36秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1164]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1164\',\'5.00\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_26_1164_1_2_1164||5.00_0"  style="cursor:pointer;" class="videop"><p id="name_1164" >角平分线的性质';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分32秒 </em><em class="videop">5.00元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1165]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1165\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_27_1165_1_2_1165||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1165" >角平分线的性质（例题1）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>1分17秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1166]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1166\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_28_1166_1_2_1166||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1166" >角平分线的性质（例题2）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分1秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1167]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1167\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_29_1167_1_2_1167||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1167" >角平分线的性质（例题3）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分32秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1168]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1168\',\'15.00\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_30_1168_1_2_1168||15.00_0"  style="cursor:pointer;" class="videop"><p id="name_1168" >全等常见辅助线做法：倍长中线';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>6分2秒 </em><em class="videop">15.00元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1169]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1169\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_31_1169_1_2_1169||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1169" >全等常见辅助线做法：倍长中线（例题1）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分49秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1170]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1170\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_32_1170_1_2_1170||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1170" >全等常见辅助线做法：倍长中线（例题2）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>3分8秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1171]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1171\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_33_1171_1_2_1171||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1171" >全等常见辅助线做法：倍长中线（例题3）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>3分34秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1172]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1172\',\'5.00\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_34_1172_1_2_1172||5.00_0"  style="cursor:pointer;" class="videop"><p id="name_1172" >全等三角形的概念与表示方法';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>5分22秒 </em><em class="videop">5.00元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1173]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1173\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_35_1173_1_2_1173||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1173" >全等三角形概念与表示方法（例题1）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>1分2秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1174]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1174\',\'5.00\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_36_1174_1_2_1174||5.00_0"  style="cursor:pointer;" class="videop"><p id="name_1174" >全等三角形的性质';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分43秒 </em><em class="videop">5.00元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1175]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1175\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_37_1175_1_2_1175||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1175" >全等三角形性质（例题1）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>2分35秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1176]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1176\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_38_1176_1_2_1176||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1176" >全等三角形性质（例题2）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>1分37秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1177]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1177\',\'5.00\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_39_1177_1_2_1177||5.00_0"  style="cursor:pointer;" class="videop"><p id="name_1177" >全等形的概念';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>3分40秒 </em><em class="videop">5.00元</em></p>';
	content+='</li>';
        var contenta='';
            flag_arr[1178]=0;
		    contenta+='<a class="videosc" href="javascript:void(0);" onClick="add_cart(\'1178\',\'0.50\',1);">购买</a>';
        file_id=1138;
    content+='<li id="item_40_1178_1_2_1178||0.50_0"  style="cursor:pointer;" class="videop"><p id="name_1178" >全等形的概念（例题1）';
    content+=contenta;
    content+='</p>';
	content+='<p><em class="lbcoin">录播</em><em>55秒 </em><em class="videop">0.50元</em></p>';
	content+='</li>';
        var buy_button='';
        buy_button+='<a class="videoljbm" href="javascript:void(0);" onClick="add_cart(\'1158\',\'98.1\',2)">全部购买</a>';   
	         var price_str='';
       price_str+='<em class="videokg">￥98.10</em> <em class="yuanjia">￥109</em> ';