Ôn tập các phép tính với số thập phân

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 31. Ôn tập các phép tính với số thập phânBài tập cơ bản

{"common":{"save":0,"post_id":"7715","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1917","post_id":"7715","mon_id":"1159414","chapter_id":"1159461","question":"108,26 – 79,56 = …<\/p>","options":["A.<\/strong> 29,7","B.<\/strong> 28,7","C.<\/strong> 28,3","D.<\/strong> 27,3"],"correct":"2","level":"1","hint":"","answer":"Ch\u1ecdn B.<\/strong> 28,7.<\/span><\/p><svg height=\"100\" width=\"120\"> <g><title><\/title><rect fill=\"#ffd4aa\" height=\"102\" id=\"canvas_background\" width=\"122\" 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><text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"20\" xml:space=\"preserve\" y=\"25.25\">108,26<\/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=\"1\" xml:space=\"preserve\" y=\"31.25\">_<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"33\" xml:space=\"preserve\" y=\"56.25\">79,56<\/text> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"7\" x2=\"100\" y1=\"62.25\" y2=\"62\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"34\" xml:space=\"preserve\" y=\"88.25\">28,7<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-25 01:13:30","option_type":"txt","len":0},{"id":"1919","post_id":"7715","mon_id":"1159414","chapter_id":"1159461","question":"3,48 + 5,71 = …<\/p>","options":["A.<\/strong> 8,19","B.<\/strong> 8,09","C.<\/strong> 8,19","D.<\/strong> 9,19"],"correct":"4","level":"1","hint":"","answer":"Ch\u1ecdn D.<\/strong> 9,19.<\/span><\/p><svg height=\"120\" width=\"120\"> <g><title><\/title><rect fill=\"#aaffd4\" height=\"122\" id=\"canvas_background\" width=\"122\" 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><text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"32\" xml:space=\"preserve\" y=\"24.25\">3,48<\/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=\"8\" xml:space=\"preserve\" y=\"39.25\">+<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"33\" xml:space=\"preserve\" y=\"60.25\">5,71<\/text> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"15\" x2=\"86\" y1=\"72.25\" y2=\"72.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"34\" xml:space=\"preserve\" y=\"96.25\">9,19<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-25 01:16:01","option_type":"txt","len":0},{"id":"1922","post_id":"7715","mon_id":"1159414","chapter_id":"1159461","question":"0,75 – 0,35 = …<\/p>","options":["A.<\/strong> 4","B.<\/strong> 0,04","C.<\/strong> 0,4","D.<\/strong> 0,3"],"correct":"3","level":"1","hint":"","answer":"Ch\u1ecdn C.<\/strong> 0,4.<\/span><\/p><svg height=\"100\" width=\"100\"> <g><title><\/title><rect fill=\"#d4ffaa\" height=\"102\" id=\"canvas_background\" width=\"102\" 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><text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"24\" xml:space=\"preserve\" y=\"24.25\">0,75<\/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=\"3\" xml:space=\"preserve\" y=\"30.25\">_<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"23\" xml:space=\"preserve\" y=\"57.25\">0,35<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"23\" xml:space=\"preserve\" y=\"93.25\">0,4<\/text> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"13\" x2=\"79\" y1=\"69.25\" y2=\"69\"><\/line> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-25 01:18:21","option_type":"txt","len":0}]}