{"common":{"save":0,"post_id":"4708","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7625","post_id":"4708","mon_id":"1158113","chapter_id":"1158165","question":"<p>Lam th\u1ed1ng k&ecirc; n\u0103m sinh c\u1ee7a b\u1ed1 c&aacute;c b\u1ea1n trong t\u1ed5 m&igrave;nh&nbsp;thu \u0111\u01b0\u1ee3c d&atilde;y d\u1eef li\u1ec7u sau<\/p><p>1978&nbsp; ;&nbsp; &nbsp;1970&nbsp; ;&nbsp; &nbsp;1275&nbsp; &nbsp;;&nbsp; &nbsp;1975&nbsp; &nbsp;;&nbsp; &nbsp;1970&nbsp; &nbsp;;&nbsp; &nbsp; 3185 &nbsp; ;&nbsp; &nbsp;1970&nbsp; &nbsp;;&nbsp; &nbsp;1971&nbsp; &nbsp;;&nbsp; &nbsp;1972&nbsp; &nbsp;;&nbsp; &nbsp;1973<\/p><p><strong>Trong d&atilde;y tr&ecirc;n c&oacute; bao nhi&ecirc;u s\u1ed1 li\u1ec7u l&agrave; kh&ocirc;ng h\u1ee3p l&iacute;?<\/strong><\/p><p><strong>C&oacute;&nbsp;<\/strong>&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&lt;strong>&nbsp;s\u1ed1 li\u1ec7u kh&ocirc;ng h\u1ee3p l&iacute;.<\/strong><\/p>","options":"","correct":["[\"2\"]"],"level":"2","hint":"","answer":"<p>Trong d&atilde;y d\u1eef li\u1ec7u v\u1ec1 n\u0103m sinh&nbsp;<\/p><p>1978&nbsp; ;&nbsp; &nbsp;1970&nbsp; ;&nbsp; &nbsp;<strong>1275&nbsp; &nbsp;<\/strong>;&nbsp; &nbsp;1975&nbsp; &nbsp;;&nbsp; &nbsp;1970&nbsp; &nbsp;;&nbsp; &nbsp; <strong>3185&nbsp; &nbsp;<\/strong>;&nbsp; &nbsp;1970&nbsp; &nbsp;;&nbsp; &nbsp;1971&nbsp; &nbsp;;&nbsp; &nbsp;1972&nbsp; &nbsp;;&nbsp; &nbsp;1973<\/p><p>c&oacute; <span style=\"color:#16a085;\">2 s\u1ed1 li\u1ec7u kh&ocirc;ng h\u1ee3p l&iacute;<\/span> l&agrave;&nbsp; <strong>1275&nbsp; <\/strong>(m\u1ed9t ng\u01b0\u1eddi sinh n\u0103m n&agrave;y th&igrave; kh&ocirc;ng th\u1ec3 c&ograve;n s\u1ed1ng)&nbsp; v&agrave; <strong>3185&nbsp; <\/strong>(m\u1ed9t ng\u01b0\u1eddi sinh n\u0103m n&agrave;y ch\u01b0a \u0111\u01b0\u1ee3c sinh ra \u1edf th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i n\u0103m 2021).<\/p><p>V\u1eady c&oacute;<span style=\"color:#16a085;\"><strong> 2<\/strong><\/span> s\u1ed1 li\u1ec7u kh&ocirc;ng h\u1ee3p l&iacute;.<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n l&agrave;&nbsp; &nbsp; <span style=\"color:#16a085;\"><strong>2 <\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"3","date":"2021-09-14 03:22:33"},{"id":"7627","post_id":"4708","mon_id":"1158113","chapter_id":"1158165","question":"<p>Cho d&atilde;y s\u1ed1 li\u1ec7u v\u1ec1 c&acirc;n n\u1eb7ng c\u1ee7a m\u1ed9t s\u1ed1&nbsp;tr\u1ebb s\u01a1 sinh v\u1eeba m\u1edbi sinh ra t\u1ea1i m\u1ed9t b\u1ec7nh vi\u1ec7n nh\u01b0 sau:<\/p><p>3,1 mm&nbsp; ;&nbsp; 3,2 kg&nbsp; ;&nbsp; 3,0 kg&nbsp; ;&nbsp; &nbsp;2,8&nbsp; kg&nbsp; ;&nbsp; 3,5&nbsp; kg&nbsp; ;&nbsp; 3,1 m&nbsp; ;&nbsp; 2,9 kg&nbsp; ;&nbsp; 3,5&nbsp;kg<\/p><p><strong>C&oacute; bao nhi&ecirc;u s\u1ed1 li\u1ec7u h\u1ee3p l&iacute;?<\/strong><\/p>","options":["2","3","6","5"],"correct":"3","level":"2","hint":"<p>Milimet v&agrave; m&eacute;t kh&ocirc;ng ph\u1ea3i l&agrave; \u0111\u01a1n v\u1ecb \u0111o kh\u1ed1i l\u01b0\u1ee3ng.<\/p>","answer":"<p>Trong d&atilde;y s\u1ed1 li\u1ec7u v\u1ec1 c&acirc;n n\u1eb7ng c\u1ee7a m\u1ed9t s\u1ed1&nbsp;tr\u1ebb s\u01a1 sinh v\u1eeba m\u1edbi sinh ra t\u1ea1i m\u1ed9t b\u1ec7nh vi\u1ec7n<\/p><p>3,1 mm&nbsp; ;&nbsp; <strong>3,2 kg<\/strong>&nbsp; ;&nbsp; <strong>3,0 kg<\/strong>&nbsp; ;&nbsp; <strong>&nbsp;2,8&nbsp; kg<\/strong>&nbsp; ;&nbsp; <strong>3,5&nbsp; kg<\/strong>&nbsp; ;&nbsp; 3,1 m&nbsp; ;&nbsp;<strong> 2,9 kg<\/strong>&nbsp; ;&nbsp; <strong>3,5&nbsp;kg<\/strong><\/p><p>c&oacute; t\u1ea5t c\u1ea3 l&agrave; <strong>8 s\u1ed1 li\u1ec7u<\/strong>, c&oacute;&nbsp; <strong>2 s\u1ed1 li\u1ec7u kh&ocirc;ng h\u1ee3p l&iacute;<\/strong> l&agrave;&nbsp; &nbsp;<strong>3,1 mm<\/strong> v&agrave;&nbsp; <strong>3,1 m<\/strong>&nbsp; (v&igrave; mm v&agrave; m kh&ocirc;ng ph\u1ea3i l&agrave; \u0111\u01a1n v\u1ecb \u0111o&nbsp;kh\u1ed1i l\u01b0\u1ee3ng).<\/p><p>Do \u0111&oacute; c&oacute;&nbsp; &nbsp;8 - 2 = <span style=\"color:#16a085;\"><strong>6 <\/strong>s\u1ed1 li\u1ec7u h\u1ee3p l&iacute;<\/span>.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; <span style=\"color:#16a085;\"><strong>6<\/strong><\/span>.<\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"1","date":"2021-09-14 03:36:38","option_type":"txt","len":0},{"id":"7645","post_id":"4708","mon_id":"1158113","chapter_id":"1158165","question":"<p>Bi\u1ec3u \u0111\u1ed3 sau cho bi\u1ebft nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh (\u0111\u1ed9 C)&nbsp;t\u1eeb th&aacute;ng 4 \u0111\u1ebfn th&aacute;ng 9 n\u0103m 2018 c\u1ee7a H&agrave; N\u1ed9i.<\/p><p><span class=\"svgedit\"><svg height=\"280\" width=\"300\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"282\" id=\"canvas_background\" width=\"302\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"261\" id=\"svg_1\" width=\"286\" x=\"7\" 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\" y=\"6.5\"><\/image> <\/g> <\/svg><\/span><\/p><p>Ch\u1ecdn c&acirc;u <strong>\u0111&uacute;ng.<\/strong><\/p>","options":["<strong>A.<\/strong> Nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 4 l&agrave; 29,8 \u0111\u1ed9 C.","<strong>B. <\/strong>Nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 6 l&agrave; cao nh\u1ea5t.","<strong>C. <\/strong>Nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 9 l&agrave; th\u1ea5p nh\u1ea5t.","<strong>D. <\/strong>Nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 12 l&agrave; 28,3 \u0111\u1ed9 C."],"correct":"2","level":"2","hint":"","answer":"<p><strong>A.<\/strong>&nbsp;Nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 4 l&agrave; 29,8 \u0111\u1ed9 C. (<span style=\"color:#c0392b;\">sai <\/span>v&igrave; nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 4 l&agrave; 24,2 \u0111\u1ed9&nbsp;<br \/>C)<\/p><p><span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;Nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 6 l&agrave; cao nh\u1ea5t.&nbsp; &nbsp;(\u0111&uacute;ng)<\/span><\/p><p><strong>C.&nbsp;<\/strong>Nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 9 l&agrave; th\u1ea5p nh\u1ea5t.&nbsp; (<span style=\"color:#c0392b;\">sai <\/span>v&igrave; nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 4 l&agrave; th\u1ea5p nh\u1ea5t)<\/p><p><strong>D.&nbsp;<\/strong>Nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 12 l&agrave; 28,3 \u0111\u1ed9 C. (<span style=\"color:#c0392b;\">sai <\/span>v&igrave; \u1edf \u0111&acirc;y kh&ocirc;ng c&oacute; th&aacute;ng 12)<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;&nbsp;<strong><span style=\"color:#16a085;\">&nbsp;&nbsp;B.&nbsp;Nhi\u1ec7t \u0111\u1ed9 kh&ocirc;ng kh&iacute; trung b&igrave;nh c\u1ee7a th&aacute;ng 6 l&agrave; cao nh\u1ea5t.<\/span><\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"3","date":"2021-09-14 13:34:06","option_type":"txt","len":3}]}