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HomeLớp 5Toán lớp 5 - Sách Kết nối tri thứcBài 66. Thực hành và trải nghiệm thu thập, phân tích, biểu diễn các số liệu thống kêBài tập trung bình
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K\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c ghi l\u1ea1i trong&nbsp;ba\u0309ng d\u01b0\u01a1\u0301i \u0111&acirc;y.<\/p><p><span class=\"svgedit\"><svg height=\"148\" width=\"362\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"150\" id=\"canvas_background\" width=\"364\" 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=\"146\" id=\"svg_1\" width=\"360\" x=\"0\" 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y=\"1\"><\/image> <\/g> <\/svg><\/span><\/p><p>C&oacute; bao nhi&ecirc;u b\u1ea1n nh\u1edb nh\u1ea5t v\u1ec1 b\u1ea1n b&egrave;?<\/p>","options":["<strong>A.<\/strong> 6","<strong>B.<\/strong> 8","<strong>C.<\/strong> 12","<strong>D.<\/strong> 2"],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> 8.<\/span><\/p><p>C&oacute; <span style=\"color:#16a085;\"><strong>8<\/strong><\/span> b\u1ea1n nh\u1edb nh\u1ea5t v\u1ec1 b\u1ea1n b&egrave;.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-27 09:35:41","option_type":"txt","len":0},{"id":"4980","post_id":"9073","mon_id":"1159414","chapter_id":"1159499","question":"<p>Ta\u0323i n\u0103m ho\u0323c cu&ocirc;\u0301i cu\u0300ng cu\u0309a c&acirc;\u0301p Ti&ecirc;\u0309u ho\u0323c, c&aacute;c b\u1ea1n h\u1ecdc sinh l\u1edbp 5A quy\u1ebft \u0111\u1ecbnh&nbsp;cu\u0300ng nhau nhi\u0300n la\u0323i qua\u0303ng th\u01a1\u0300i gian \u0111a\u0303 qua va\u0300 th\u01b0\u0323c hi&ecirc;\u0323n cu&ocirc;\u0323c&nbsp;kha\u0309o sa\u0301t&nbsp;&quot;<strong>\u0110i&ecirc;\u0300u gi\u0300 khi&ecirc;\u0301n em nh\u01a1\u0301 nh&acirc;\u0301t \u01a1\u0309 tr\u01b0\u01a1\u0300ng ti&ecirc;\u0309u ho\u0323c?<\/strong>&quot;. K\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c ghi l\u1ea1i trong&nbsp;ba\u0309ng d\u01b0\u01a1\u0301i \u0111&acirc;y.<\/p><p><span class=\"svgedit\"><svg height=\"148\" width=\"362\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"150\" id=\"canvas_background\" width=\"364\" 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=\"146\" id=\"svg_1\" width=\"360\" x=\"0\" xlink:href=\"data:image\/png;base64,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y=\"1\"><\/image> <\/g> <\/svg><\/span><\/p><p>\u0110a s\u1ed1 c&aacute;c b\u1ea1n nh\u1edb nh\u1ea5t v\u1ec1&nbsp;<\/p>","options":["<strong>A.<\/strong> B\u1ea1n b&egrave;","<strong>B.<\/strong> Khu&ocirc;n vi&ecirc;n tr\u01b0\u1eddng","<strong>C.<\/strong> Kh&aacute;c","<strong>D.<\/strong> Th\u1ea7y c&ocirc;"],"correct":"4","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong> Th\u1ea7y c&ocirc;.<\/span><\/p><p>\u0110a s\u1ed1 c&aacute;c b\u1ea1n nh\u1edb nh\u1ea5t v\u1ec1 th\u1ea7y c&ocirc; (14&nbsp;b\u1ea1n).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-27 09:36:03","option_type":"txt","len":2},{"id":"4981","post_id":"9073","mon_id":"1159414","chapter_id":"1159499","question":"<p>Ta\u0323i n\u0103m ho\u0323c cu&ocirc;\u0301i cu\u0300ng cu\u0309a c&acirc;\u0301p Ti&ecirc;\u0309u ho\u0323c, c&aacute;c b\u1ea1n h\u1ecdc sinh l\u1edbp 5A quy\u1ebft \u0111\u1ecbnh&nbsp;cu\u0300ng nhau nhi\u0300n la\u0323i qua\u0303ng th\u01a1\u0300i gian \u0111a\u0303 qua va\u0300 th\u01b0\u0323c hi&ecirc;\u0323n cu&ocirc;\u0323c&nbsp;kha\u0309o sa\u0301t&nbsp;&quot;<strong>\u0110i&ecirc;\u0300u gi\u0300 khi&ecirc;\u0301n em nh\u01a1\u0301 nh&acirc;\u0301t \u01a1\u0309 tr\u01b0\u01a1\u0300ng ti&ecirc;\u0309u ho\u0323c?<\/strong>&quot;. K\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c ghi l\u1ea1i trong&nbsp;ba\u0309ng d\u01b0\u01a1\u0301i \u0111&acirc;y.<\/p><p><span class=\"svgedit\"><svg height=\"148\" width=\"362\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"150\" id=\"canvas_background\" width=\"364\" 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=\"146\" id=\"svg_1\" width=\"360\" x=\"0\" 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\" y=\"1\"><\/image> <\/g> <\/svg><\/span><\/p><p>S\u1ed1 b\u1ea1n nh\u1edb nh\u1ea5t v\u1ec1 khu&ocirc;n vi&ecirc;n tr\u01b0\u1eddng chi\u1ebfm bao nhi&ecirc;u ph\u1ea7n tr\u0103m so v\u1edbi c\u1ea3 l\u1edbp?<\/p>","options":["<strong>A.<\/strong> 10%","<strong>B.<\/strong> 6%","<strong>C.<\/strong> 20%","<strong>D.<\/strong> 12%"],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong> 20%.<\/span><\/p><p>S\u1ed1 h\u1ecdc sinh c\u1ee7a l\u1edbp 5A l&agrave; 6 + 8 + 14 + 2 = 30 (h\u1ecdc sinh).<\/p><p>S\u1ed1 b\u1ea1n nh\u1edb nh\u1ea5t v\u1ec1 khu&ocirc;n vi&ecirc;n tr\u01b0\u1eddng chi\u1ebfm s\u1ed1&nbsp;ph\u1ea7n tr\u0103m so v\u1edbi c\u1ea3 l\u1edbp l&agrave;<\/p><p>6 : 30 x 100% = 20%.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-27 09:36:14","option_type":"txt","len":0}]}
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