Chia số có năm chữ số cho số có một chữ số

Home Lớp 3 Toán lớp 3 - Sách Kết nối tri thức Bài 71: Chia số có năm chữ số cho số có một chữ sốBài tập nâng cao

{"common":{"save":0,"post_id":"5987","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1614","post_id":"5987","mon_id":"1158530","chapter_id":"1158705","question":"Làm tròn k\u1ebft qu\u1ea3 c\u1ee7a phép tính 45 801 : 9<\/span> \u0111\u1ebfn hàng tr\u0103m.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/ca-chua.png\" \/><\/div>","options":["A.<\/strong> 5 100","B.<\/strong> 5 000","C.<\/strong> 5 090","D.<\/strong> 5 200"],"correct":"1","level":"3","hint":"Khi làm tròn \u0111\u1ebfn hàng tr\u0103m, ta so sánh ch\u1eef s\u1ed1 hàng ch\u1ee5c v\u1edbi 5. N\u1ebfu ch\u1eef s\u1ed1 hàng ch\u1ee5c bé h\u01a1n 5 thì làm tròn xu\u1ed1ng, còn l\u1ea1i làm tròn lên.<\/p>","answer":"<svg height=\"160\" width=\"170\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"162\" id=\"canvas_background\" width=\"172\" 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=\"12.00781\" xml:space=\"preserve\" y=\"31.25\">45 801<\/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=\"109.00781\" xml:space=\"preserve\" y=\"31.25\">9<\/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=\"104.00781\" xml:space=\"preserve\" y=\"66.25\">5 089<\/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=\"25.00781\" xml:space=\"preserve\" y=\"61.25\">0 8<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"45.00781\" xml:space=\"preserve\" y=\"92.25\">80<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"59.00781\" xml:space=\"preserve\" y=\"124.25\">81<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"72.00781\" xml:space=\"preserve\" y=\"153.25\">0<\/text> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"97.00781\" x2=\"97.00781\" y1=\"9.25\" y2=\"66.25\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"170.00781\" x2=\"98.00781\" y1=\"39.25\" y2=\"39.25\"><\/line> <\/g> <\/svg><\/span><\/p>V\u1eady 45 801 : 9  = 5 089.<\/p>Làm tròn 5 08<\/span>9 \u0111\u1ebfn hàng tr\u0103m \u0111\u01b0\u1ee3c 5 100<\/strong><\/span> (vì ch\u1eef s\u1ed1 hàng ch\u1ee5c là 8 > 5 nên làm tròn lên).<\/p>\u0110áp án \u0111úng là A.<\/strong> 5 100<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-17 12:52:40","option_type":"txt","len":0},{"id":"1616","post_id":"5987","mon_id":"1158530","chapter_id":"1158705","question":"Làm tròn k\u1ebft qu\u1ea3 c\u1ee7a phép tính 56 784 : 2 \u0111\u1ebfn hàng nghìn.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/cam.png\" \/><\/div>","options":["A.<\/strong> 29 000","B.<\/strong> 28 400","C.<\/strong> 27 000","D.<\/strong> 28 000"],"correct":"4","level":"3","hint":"Khi làm tròn \u0111\u1ebfn hàng nghìn, ta so sánh ch\u1eef s\u1ed1 hàng ch\u1ee5c v\u1edbi 5. N\u1ebfu ch\u1eef s\u1ed1 hàng tr\u0103m bé h\u01a1n 5 thì làm tròn xu\u1ed1ng, còn l\u1ea1i làm tròn lên.<\/p>","answer":"<svg height=\"180\" width=\"180\"> <g><title><\/title><rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"182\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_2\" 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=\"5.00781\" xml:space=\"preserve\" y=\"27.25\">56 784<\/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=\"119.00781\" xml:space=\"preserve\" y=\"26.25\">2<\/text> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"97.00781\" x2=\"97.00781\" y1=\"3.25\" y2=\"70.25\"><\/line> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"175.00781\" x2=\"98.00781\" y1=\"36.25\" y2=\"36.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"99.00781\" xml:space=\"preserve\" y=\"63.25\">28 392<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"5.00781\" xml:space=\"preserve\" y=\"57.25\">16<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"18.00781\" xml:space=\"preserve\" y=\"87.25\">0 7<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"38.00781\" xml:space=\"preserve\" y=\"116.25\">18<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"50.00781\" xml:space=\"preserve\" y=\"144.25\">04<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"63.00781\" xml:space=\"preserve\" y=\"172.25\">0<\/text> <\/g> <\/svg><\/span><\/p>V\u1eady 56 784 : 2 = 28 392<\/p>Làm tròn 28 3<\/span>92 \u0111\u1ebfn hàng nghìn \u0111\u01b0\u1ee3c 28 000<\/span><\/strong> (vì ch\u1eef s\u1ed1 hàng ch\u1ee5c là 3 < 5 nên làm tròn xu\u1ed1ng).<\/p>\u0110áp án \u0111úng là D.<\/strong> 28 000<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-17 13:02:19","option_type":"txt","len":0},{"id":"1618","post_id":"5987","mon_id":"1158530","chapter_id":"1158705","question":"An \u0111\u01b0\u1ee3c m\u1eb9 cho 2 t\u1edd ti\u1ec1n lo\u1ea1i 50 000 \u0111\u1ec3 mua v\u1edf. Bi\u1ebft s\u1ed1 ti\u1ec1n \u0111ó v\u1eeba \u0111\u1ee7 \u0111\u1ec3 mua 8 cu\u1ed1n v\u1edf. H\u1ecfi m\u1ed7i cu\u1ed1n v\u1edf giá bao nhiêu ti\u1ec1n?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/dua-hau.png\" \/><\/div>","options":["A.<\/strong> 12 700 \u0111\u1ed3ng","B.<\/strong> 12 600 \u0111\u1ed3ng","C.<\/strong> 12 500 \u0111\u1ed3ng","D.<\/strong> 12 400 \u0111\u1ed3ng"],"correct":"3","level":"3","hint":"Tính s\u1ed1 ti\u1ec1n An có, sau \u0111ó l\u1ea5y s\u1ed1 ti\u1ec1n \u0111ó chia cho 8.<\/p>","answer":"S\u1ed1 ti\u1ec1n An có là: <\/p>50 000 x 2 = 100 000 (\u0111\u1ed3ng)<\/p>Giá ti\u1ec1n c\u1ee7a m\u1ed9t cu\u1ed1n v\u1edf là:<\/p>100 000 : 8 = 12 500 (\u0111\u1ed3ng)<\/p>\u0110áp s\u1ed1: 12 500 (\u0111\u1ed3ng)<\/p>\u0110áp án \u0111úng là C.<\/strong> 12 500 \u0111\u1ed3ng<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-17 13:11:19","option_type":"txt","len":1}]}