Luyện tập chung - trung bình

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 24: Luyện tập chung: Các phép tính với số thập phânBài tập trung bình

{"common":{"save":0,"post_id":"7697","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1759","post_id":"7697","mon_id":"1159414","chapter_id":"1159449","question":"\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m: 1,8209 x …  = 182,09<\/strong><\/span><\/p>","options":["A.<\/strong> 0,1","B.<\/strong> 0,01","C.<\/strong> 10","D.<\/strong> 100"],"correct":"4","level":"2","hint":"","answer":"Ch\u1ecdn D.<\/strong> 100<\/span><\/p>1,8209 x ?<\/strong><\/span> = 182,09<\/p>               ?<\/strong><\/span> = 182,09 : 1,8209 (vì 1,8209 có 4 ch\u1eef s\u1ed1 sau d\u1ea5u ph\u1ea9y<\/span>)<\/p>               ?<\/strong><\/span> = 1 820 900 : 18 209 (nên d\u1ecbch d\u1ea5u ph\u1ea9y \u1edf c\u1ea3 hai s\u1ed1 sang bên ph\u1ea3i 4 ch\u1eef s\u1ed1<\/span>)<\/p>               ?<\/strong><\/span> = 100<\/p>V\u1eady 1,8209 x 100<\/strong><\/span>  = 182,09<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-22 02:24:22","option_type":"txt","len":0},{"id":"1762","post_id":"7697","mon_id":"1159414","chapter_id":"1159449","question":"\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m: 18,2 x 1,75 – 2,76 = …<\/strong><\/span><\/p>","options":["A.<\/strong> 29,09","B.<\/strong> 29,9","C.<\/strong>28,09","D.<\/strong> 28,9"],"correct":"1","level":"2","hint":"","answer":"Ch\u1ecdn A.<\/strong> 29,09<\/span><\/p>18,2 x 1,75 – 2,76<\/p>= 31,85 – 2,76<\/p>= 29,09<\/p><svg height=\"190\" width=\"110\"> <g><title><\/title><rect fill=\"#ffaaff\" height=\"192\" id=\"canvas_background\" width=\"112\" 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><g id=\"svg_12\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"52.5\" xml:space=\"preserve\" y=\"24.25\">18,2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"52.5\" xml:space=\"preserve\" y=\"58.25\">1,75<\/text> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"2.5\" x2=\"105.5\" y1=\"67.25\" y2=\"67.25\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"36.5\" xml:space=\"preserve\" y=\"39.25\">x<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"52.5\" xml:space=\"preserve\" y=\"92.25\">9 10<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"24.5\" xml:space=\"preserve\" y=\"118.25\">127 4<\/text> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"3.5\" x2=\"105.5\" y1=\"156.25\" y2=\"156.25\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"24.5\" xml:space=\"preserve\" y=\"146.25\">182<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"24.5\" xml:space=\"preserve\" y=\"181.25\">31,850<\/text> <\/g> <\/g> <\/svg><\/span>    <svg height=\"100\" width=\"80\"> <g><title><\/title><rect fill=\"#aad4ff\" height=\"102\" id=\"canvas_background\" width=\"82\" 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><line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"2.5\" x2=\"78.5\" y1=\"68.25\" y2=\"68\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"14.5\" xml:space=\"preserve\" y=\"23.25\">31,85<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"28.5\" xml:space=\"preserve\" y=\"56.25\">2,76<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"14.5\" xml:space=\"preserve\" y=\"93.25\">29,09<\/text> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"3.5\" x2=\"13.5\" y1=\"34.25\" y2=\"34.25\"><\/line> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-22 02:32:42","option_type":"txt","len":0},{"id":"1764","post_id":"7697","mon_id":"1159414","chapter_id":"1159449","question":"\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m: (1,6 x 10) x 0,12 … 1,6 x (10 x 0,12)<\/strong><\/span><\/p>","options":["A.<\/strong> <","B.<\/strong> >","C.<\/strong> ="],"correct":"3","level":"2","hint":"","answer":"Ch\u1ecdn C.<\/strong> =<\/span><\/p>(1,6 x 10) x 0,12 = 1,6 x (10 x 0,12)<\/strong><\/span><\/p>(tính ch\u1ea5t k\u1ebft h\u1ee3p c\u1ee7a phép nhân)<\/p>","type":"choose","extra_type":"sheep","time":"0","user_id":"131","test":"0","date":"2024-09-22 02:34:58","option_type":"txt","len":0}]}