<!-- wp:file {"id":3090,"href":"https://ytebacninh.edu.vn/wp-content/uploads/2024/10/KH-TOAN-KHOA-YSDK-1A1.pdf","displayPreview":true} --> <div class="wp-block-file"><object class="wp-block-file__embed" data="https://ytebacninh.edu.vn/wp-content/uploads/2024/10/KH-TOAN-KHOA-YSDK-1A1.pdf" type="application/pdf" style="width:100%;height:600px" aria-label="KH-TOAN-KHOA-YSDK-1A1"></object><a id="wp-block-file--media-4351b075-777d-4ea7-9e6b-04f2a58d614e" href="https://ytebacninh.edu.vn/wp-content/uploads/2024/10/KH-TOAN-KHOA-YSDK-1A1.pdf">KH-TOAN-KHOA-YSDK-1A1</a><a href="https://ytebacninh.edu.vn/wp-content/uploads/2024/10/KH-TOAN-KHOA-YSDK-1A1.pdf" class="wp-block-file__button wp-element-button" download aria-describedby="wp-block-file--media-4351b075-777d-4ea7-9e6b-04f2a58d614e">Tải xuống</a></div> <!-- /wp:file -->