Chú ý: Để đảm bảo quyền lợi và bảo vệ tài khoản của mình
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{"common":{"save":0,"post_id":"5909","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1366","post_id":"5909","mon_id":"1158530","chapter_id":"1158696","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a phép tính 200 x 4 + 5680 là<\/p><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/con-vat\/con-tho.png\" \/><\/div>","options":["<strong>A.<\/strong> 6480","<strong>B.<\/strong> 5884","<strong>C.<\/strong> 7680","<strong>D.<\/strong> 6880"],"correct":"1","level":"3","hint":"<p>Khi phép tính có c\u1ea3 phép c\u1ed9ng, tr\u1eeb, nhân, chia thì ta th\u1ef1c hi\u1ec7n nhân chia tr\u01b0\u1edbc, c\u1ed9ng tr\u1eeb sau.<\/p>","answer":"<p>Ta có: 200 x 4 + 5680 = 800 + 5680 = 6480<\/p><p>\u0110\u1eb7t tính<br \/><span class=\"svgedit\"><svg height=\"120\" width=\"200\"> <g><title><\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_7\" 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=\"26\" xml:space=\"preserve\" y=\"27.25\">200<\/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=\"9\" xml:space=\"preserve\" y=\"44.25\">x<\/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=\"53\" xml:space=\"preserve\" y=\"64.25\">4<\/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=\"24\" xml:space=\"preserve\" y=\"97.25\">800<\/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=\"144\" xml:space=\"preserve\" y=\"25.25\">800<\/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=\"111\" xml:space=\"preserve\" y=\"42.25\">+<\/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=\"132\" xml:space=\"preserve\" y=\"64.25\">5680<\/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=\"133\" xml:space=\"preserve\" y=\"98.25\">6480<\/text> <line fill=\"none\" id=\"svg_10\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"17\" x2=\"68\" y1=\"72.25\" y2=\"72.25\"><\/line> <line fill=\"none\" id=\"svg_11\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"128\" x2=\"196\" y1=\"72.25\" y2=\"72.25\"><\/line> <\/g> <\/svg><\/span><\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>A.<\/strong> 6480<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-14 04:24:40","option_type":"txt","len":0},{"id":"1368","post_id":"5909","mon_id":"1158530","chapter_id":"1158696","question":"<p>Mùa này bác Lan thu ho\u1ea1ch \u0111\u01b0\u1ee3c 4560 kg thóc. Bác Nam thu ho\u1ea1ch \u0111\u01b0\u1ee3c nhi\u1ec1u h\u01a1n bác Lan 440 kg thóc. H\u1ecfi mùa này c\u1ea3 hai bác thu ho\u1ea1ch \u0111\u01b0\u1ee3c bao nhiêu ki-lô-gam thóc?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/con-vat\/bird1.png\" \/><\/div>","options":["<strong>A.<\/strong> 5000 kg thóc","<strong>B.<\/strong> 9560 kg thóc","<strong>C.<\/strong> 9440 kg thóc","<strong>D.<\/strong> 5440 kg thóc"],"correct":"2","level":"3","hint":"<p>Tính s\u1ed1 ki-lô-gam bác Nam thu ho\u1ea1ch \u0111\u01b0\u1ee3c r\u1ed3i tính t\u1ed5ng s\u1ed1 ki-lô-gam hai bác thu ho\u1ea1ch \u0111\u01b0\u1ee3c (dùng phép c\u1ed9ng).<\/p>","answer":"<p>S\u1ed1 ki-lô-gam thóc bác Nam thu hoach \u0111\u01b0\u1ee3c là <\/p><p>4560 + 440 = 5000 (kg) <\/p><p>S\u1ed1 ki-lô-gam thóc c\u1ea3 hai bác thu ho\u1ea1ch \u0111\u01b0\u1ee3c là<\/p><p>4560 + 5000 = 9560 (kg)<\/p><p> \u0110áp s\u1ed1: <span style=\"color:#16a085;\">9560 kg<\/span> <\/p><p>(\u0110\u1eb7t tính<\/p><p><span class=\"svgedit\"><svg height=\"130\" width=\"210\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"212\" 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=\"27\" xml:space=\"preserve\" y=\"30.25\">4560<\/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=\"56.25\">+<\/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=\"42\" xml:space=\"preserve\" y=\"75.25\">440<\/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=\"29\" xml:space=\"preserve\" y=\"114.25\">5000<\/text> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"17\" x2=\"90\" y1=\"84.25\" y2=\"84.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"138\" xml:space=\"preserve\" y=\"30.25\">4560<\/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=\"119\" xml:space=\"preserve\" y=\"56.25\">+<\/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=\"140\" xml:space=\"preserve\" y=\"75.25\">5000<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"140\" xml:space=\"preserve\" y=\"114.25\">9560<\/text> <line fill=\"none\" id=\"svg_11\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"128\" x2=\"201\" y1=\"84.25\" y2=\"84.25\"><\/line> <\/g> <\/svg><\/span>)<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>B.<\/strong> 9560 kg thóc<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"3","date":"2022-06-14 04:38:00","option_type":"txt","len":2},{"id":"1372","post_id":"5909","mon_id":"1158530","chapter_id":"1158696","question":"<p>M\u1ed9t c\u1eeda hàng bu\u1ed5i sáng bán \u0111\u01b0\u1ee3c 1200 kg g\u1ea1o. Bu\u1ed5i chi\u1ec1u bán \u0111\u01b0\u1ee3c nhi\u1ec1u h\u01a1n bu\u1ed5i sáng 800 kg g\u1ea1o. H\u1ecfi c\u1ea3 hai bu\u1ed5i c\u1eeda hàng \u0111ó bán \u0111\u01b0\u1ee3c bao nhiêu ki-lô-gam g\u1ea1o?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/con-vat\/butterflies.png\" \/> <\/div><p>C\u1ea3 hai bu\u1ed5i, c\u1eeda hàng bán \u0111\u01b0\u1ee3c <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> ki-lô-gam g\u1ea1o.<\/p>","options":"","correct":["[\"3200\"]"],"level":"3","hint":"<p>Tính s\u1ed1 ki-lô-gam g\u1ea1o bu\u1ed5i chi\u1ec1u c\u1eeda hàng bán \u0111\u01b0\u1ee3c (dùng phép c\u1ed9ng) r\u1ed3i tính s\u1ed1 ki-lô-gam c\u1ea3 hai bu\u1ed5i c\u1eeda hàng bán \u0111\u01b0\u1ee3c (dùng phép c\u1ed9ng).<\/p>","answer":"<p>Bu\u1ed5i chi\u1ec1u c\u1eeda hàng \u0111ó bán \u0111\u01b0\u1ee3c s\u1ed1 ki-lô-gam g\u1ea1o là<\/p><p>1200 + 800 = 2000 (kg)<\/p><p>C\u1ea3 hai bu\u1ed5i c\u1ee7a hàng bán \u0111\u01b0\u1ee3c s\u1ed1 ki-lô-gam g\u1ea1o là<\/p><p>1200 + 2000 = 3200 (kg)<\/p><p> \u0110áp s\u1ed1: 3200 kg<\/p><p>(\u0110\u1eb7t tính<\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"210\"> <g><title><\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"212\" 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=\"22.25\">1200<\/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=\"6\" xml:space=\"preserve\" y=\"43.25\">+<\/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=\"39\" xml:space=\"preserve\" y=\"59.25\">800<\/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=\"27\" xml:space=\"preserve\" y=\"100.25\">2000<\/text> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"17\" x2=\"88\" y1=\"69.25\" y2=\"69.25\"><\/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=\"24\" xml:space=\"preserve\" y=\"22.25\">1200<\/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=\"6\" xml:space=\"preserve\" y=\"43.25\">+<\/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=\"39\" xml:space=\"preserve\" y=\"59.25\">800<\/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=\"27\" xml:space=\"preserve\" y=\"100.25\">2000<\/text> <line fill=\"none\" id=\"svg_10\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"17\" x2=\"88\" y1=\"69.25\" y2=\"69.25\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"129\" xml:space=\"preserve\" y=\"22.25\">1200<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"111\" xml:space=\"preserve\" y=\"43.25\">+<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"130\" xml:space=\"preserve\" y=\"59.25\">2000<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_14\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"132\" xml:space=\"preserve\" y=\"100.25\">3200<\/text> <line fill=\"none\" id=\"svg_15\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"122\" x2=\"193\" y1=\"69.25\" y2=\"69.25\"><\/line> <\/g> <\/svg><\/span>)<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong>3200<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"1","date":"2022-06-14 04:54:11"}]}