{"save":1,"level":1,"time":"45","total":20,"point":5,"segment":[{"id":"1929","test_id":"348","question":"<p>\u0110i\u1ec1n d\u1ea5u ( x;&nbsp;&nbsp;:&nbsp; ;&nbsp;&nbsp;+ ;&nbsp;&nbsp;- )&nbsp; v&agrave;o &ocirc; tr\u1ed1ng.<\/p><p>8&nbsp;&lt;input class=\"tim_x input_number\" size=\"1\" tpl=\"dien_so\" type=\"text\" \/&gt;&nbsp;3 = 24<\/p>","options":"","correct":["x"],"answer":"<p>Theo b\u1ea3ng nh&acirc;n 8 ta c&oacute;:&nbsp;<\/p><p>8 x 3 = 24&nbsp;<\/p><p>V\u1eady d\u1ea5u c\u1ea7n \u0111i\u1ec1n v&agrave;o &ocirc; tr\u1ed1ng l&agrave;: <strong>x<\/strong><\/p>","type":"blank","user_id":"82","test":"2","date":"2020-04-26 16:20:10"},{"id":"1930","test_id":"348","question":"<p>\u0110i\u1ec1n d\u1ea5u (&lt;, &gt;, =&nbsp;&nbsp;) v&agrave;o &ocirc; tr\u1ed1ng.<\/p><p>8 x 4&nbsp;&lt;input class=\"tim_x input_number\" size=\"1\" tpl=\"dien_so\" type=\"text\" \/&gt;&nbsp;4 x 8&nbsp;<\/p>","options":"","correct":["="],"answer":"<p>\u0110\u1ec3 so s&aacute;nh hai ph&eacute;p t&iacute;nh ta th\u1ef1c hi\u1ec7n t&iacute;nh k\u1ebft qu\u1ea3 c\u1ee7a hai ph&eacute;p t&iacute;nh r\u1ed3i so s&aacute;nh k\u1ebft qu\u1ea3 v\u1edbi nhau.<\/p><p>Ta c&oacute;:&nbsp;<\/p><p>8 x 4 = 32<\/p><p>4 x 8 = 32<\/p><p>V\u1eady 8 x 4 = 4 x 8&nbsp;<\/p><p>D\u1ea5u c\u1ea7n \u0111i\u1ec1n v&agrave;o &ocirc; tr\u1ed1ng l&agrave;:<strong> =<\/strong><\/p>","type":"blank","user_id":"82","test":"2","date":"2020-04-26 16:23:36"}]}