{"common":{"save":0,"post_id":"6904","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2722","post_id":"6904","mon_id":"1159012","chapter_id":"1159027","question":"<p>T&iacute;nh b\u1eb1ng c&aacute;ch thu\u1eadn ti\u1ec7n.<\/p><p>25 x 1963 x 40<\/p>","options":["<strong>A.<\/strong> 1 964 000","<strong>B.<\/strong> 1 963 000","<strong>C.<\/strong> 1 936 000","<strong>D.<\/strong> 1 693 000"],"correct":"2","level":"2","hint":"","answer":"<p>25 x 1963 x 40<\/p><p>= (25 x 40) x 1963<\/p><p>= 1000 x 1963<\/p><p>= 1 963 000<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><\/span><span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;1 963 000<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-13 05:18:58","option_type":"txt","len":1},{"id":"2724","post_id":"6904","mon_id":"1159012","chapter_id":"1159027","question":"<p>T&igrave;m X, bi\u1ebft:<\/p><p>98 000&nbsp;&ndash; X = 56 210<\/p>","options":["<strong>A.<\/strong> X = 42 790","<strong>B.<\/strong> X = 41 890","<strong>C.<\/strong> X = 41 790","<strong>D.<\/strong> X = 31 790"],"correct":"3","level":"2","hint":"<p>Mu\u1ed1n t&igrave;m s\u1ed1 tr\u1eeb, ta l\u1ea5y s\u1ed1 b\u1ecb tr\u1eeb tr\u1eeb \u0111i hi\u1ec7u.<\/p>","answer":"<p>98 000&nbsp;&ndash; X = 56 210<\/p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;X =&nbsp;98 000&nbsp;&ndash;&nbsp;56 210<\/p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;X =&nbsp;41 790<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;X =&nbsp;41 790<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-13 05:22:05","option_type":"txt","len":1},{"id":"2726","post_id":"6904","mon_id":"1159012","chapter_id":"1159027","question":"<p>T&iacute;nh b\u1eb1ng c&aacute;ch thu\u1eadn ti\u1ec7n.<\/p><p>54 x 369 + 54 x 631<\/p><p>=&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;x (369 + 631)<\/p><p>= 54 x&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&lt;\/p><p>=&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&lt;\/p>","options":"","correct":["[\"54\",\"1000\",\"54000\"]"],"level":"2","hint":"","answer":"<p>54 x 369 + 54 x 631<\/p><p>=&nbsp;<span style=\"color:#16a085;\"><strong>54<\/strong><\/span>&nbsp;x (369 + 631)<\/p><p>= 54 x&nbsp;<span style=\"color:#16a085;\"><strong>1000<\/strong><\/span><\/p><p>=&nbsp;<span style=\"color:#16a085;\"><strong>54 000<\/strong><\/span><\/p><p>C&aacute;c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l&agrave; <span style=\"color:#16a085;\"><strong>54 ; 1000 ; 54 000<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2024-02-13 05:24:49"}]}