Ôn tập chung - Bài tập trung bình

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 75: Ôn tập chung cuối nămBài tập trung bình

{"common":{"save":0,"post_id":"9129","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5274","post_id":"9129","mon_id":"1159414","chapter_id":"1159500","question":"Viê\u0323t gieo xu\u0301c x\u0103\u0301c nhiê\u0300u lâ\u0300n rô\u0300i ghi la\u0323i kê\u0301t qua\u0309 nhâ\u0323n \u0111\u01b0\u01a1\u0323c nh\u01b0 ba\u0309ng sau.<\/p><svg height=\"62\" width=\"288\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"64\" id=\"canvas_background\" width=\"290\" 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><title><\/title><image height=\"60\" id=\"svg_1\" width=\"286\" x=\"1\" 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y=\"1\"><\/image> <\/g> <\/svg><\/span><\/p>T\u1ec9 s\u1ed1 gi\u1eefa s\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n m\u1eb7t có s\u1ed1 ch\u1ea5m là s\u1ed1 l\u1ebb và t\u1ed5ng s\u1ed1 l\u1ea7n gieo con xúc x\u1eafc là<\/p>","options":["A.<\/strong> $\\dfrac{1}{2}$<\/span>","B.<\/strong> $\\dfrac{1}{4}$<\/span>","C.<\/strong> $\\dfrac{1}{5}$<\/span>","D.<\/strong> $\\dfrac{1}{3}$<\/span>"],"correct":"1","level":"2","hint":"","answer":"Ch\u1ecdn A.<\/strong> $\\dfrac{1}{2}$<\/span>.<\/span><\/p>M\u1eb7t có s\u1ed1 ch\u1ea5m là s\u1ed1 l\u1ebb g\u1ed3m m\u1eb7t 1 ch\u1ea5m, m\u1eb7t 3 ch\u1ea5m, m\u1eb7t 5 ch\u1ea5m.<\/p>S\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n m\u1eb7t có s\u1ed1 ch\u1ea5m là s\u1ed1 l\u1ebb là 5 + 2 + 3 = 10 (l\u1ea7n).<\/p>T\u1ed5ng s\u1ed1 l\u1ea7n gieo là 5 + 4 + 2 + 1 + 3 + 5 = 20 (l\u1ea7n).<\/p>T\u1ec9 s\u1ed1 gi\u1eefa s\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n m\u1eb7t có s\u1ed1 ch\u1ea5m là s\u1ed1 l\u1ebb và t\u1ed5ng s\u1ed1 l\u1ea7n gieo con xúc x\u1eafc là $\\dfrac{10}{20}=\\dfrac{1}{2}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-05-01 16:56:54","option_type":"math","len":0},{"id":"5275","post_id":"9129","mon_id":"1159414","chapter_id":"1159500","question":"5 gi\u1edd 14 phút – 2 gi\u1edd 30 phút = <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p>","options":["A.<\/strong> 2 gi\u1edd 44 phút","B.<\/strong> 2 gi\u1edd 14 phút","C.<\/strong> 3 gi\u1edd 44 phút","D.<\/strong> 3 gi\u1edd 14 phút"],"correct":"1","level":"2","hint":"","answer":"Ch\u1ecdn A.<\/strong> 2 gi\u1edd 44 phút.<\/span><\/p>5 gi\u1edd 14 phút – 2 gi\u1edd 30 phút<\/p>= 4 gi\u1edd 74 phút – 2 gi\u1edd 30 phút <\/p>= 2 gi\u1edd 44 phút<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-05-01 16:58:55","option_type":"txt","len":2},{"id":"5279","post_id":"9129","mon_id":"1159414","chapter_id":"1159500","question":"M\u1ed9t ng\u01b0\u1eddi tham gia cu\u1ed9c thi ch\u1ea1y marathon. Trong ch\u1eb7ng \u0111\u1ea7u tiên, ng\u01b0\u1eddi \u0111ó ch\u1ea1y h\u1ebft 22 phút 55 giây. Trong ch\u1eb7ng th\u1ee9 hai, ng\u01b0\u1eddi \u0111ó ch\u1ea1y h\u1ebft 25 phút 45 giây. H\u1ecfi ng\u01b0\u1eddi \u0111ó ch\u1ea1y c\u1ea3 hai ch\u1eb7ng h\u1ebft bao nhiêu th\u1eddi gian?<\/p>","options":["A.<\/strong> 45 phút 40 giây","B.<\/strong> 46 phút 40 giây","C.<\/strong> 47 phút 40 giây","D.<\/strong> 48 phút 40 giây"],"correct":"4","level":"2","hint":"","answer":"Ch\u1ecdn D.<\/strong> 48 phút 40 giây.<\/span><\/p>Th\u1eddi gian ng\u01b0\u1eddi \u0111ó ch\u1ea1y h\u1ebft c\u1ea3 hai ch\u1eb7ng là<\/p>22 phút 55 giây + 25 phút 45 giây = 47 phút 100 giây = 48 phút 40 giây.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-05-01 17:09:54","option_type":"txt","len":2}]}