Phép nhân số thập phân

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 21. Phép nhân số thập phânBài tập trung bình

{"common":{"save":0,"post_id":"7674","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1641","post_id":"7674","mon_id":"1159414","chapter_id":"1159449","question":"12,16 x 86 =…<\/p>","options":["A.<\/strong> 1045,76","B.<\/strong> 945,76","C.<\/strong> 10457,6","D.<\/strong> 9457,6"],"correct":"1","level":"2","hint":"","answer":"Ch\u1ecdn A.<\/strong> 1045,76.<\/span><\/p><svg height=\"200\" width=\"130\"> <g><title><\/title><rect fill=\"#ffffaa\" height=\"202\" id=\"canvas_background\" width=\"132\" 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=\"45\" xml:space=\"preserve\" y=\"30.25\">12,16<\/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=\"22\" xml:space=\"preserve\" y=\"49.25\">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=\"79\" xml:space=\"preserve\" y=\"74.25\">86<\/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=\"52\" xml:space=\"preserve\" y=\"112.25\">7296<\/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=\"39\" xml:space=\"preserve\" y=\"144.25\">9728<\/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=\"21\" xml:space=\"preserve\" y=\"181.25\">1045,76<\/text> <line fill=\"none\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"20\" x2=\"109\" y1=\"85.25\" y2=\"85.25\"><\/line> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"16\" x2=\"113\" y1=\"152.25\" y2=\"152\"><\/line> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-18 02:33:41","option_type":"txt","len":0},{"id":"1643","post_id":"7674","mon_id":"1159414","chapter_id":"1159449","question":"0,34 x 0,12 =…<\/p>","options":["A.<\/strong> 4,08","B.<\/strong> 0,408","C.<\/strong> 0,0408","D.<\/strong> 40,8"],"correct":"3","level":"2","hint":"","answer":"Ch\u1ecdn C.<\/strong> 0,0408.<\/span><\/p><svg height=\"200\" width=\"120\"> <g><title><\/title><rect fill=\"#ffffaa\" height=\"202\" 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=\"41\" xml:space=\"preserve\" y=\"25.25\">0,34<\/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=\"11\" xml:space=\"preserve\" y=\"43.25\">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=\"41\" xml:space=\"preserve\" y=\"69.25\">0,12<\/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=\"62\" xml:space=\"preserve\" y=\"110.25\">68<\/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=\"48\" xml:space=\"preserve\" y=\"144.25\">34<\/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=\"14\" xml:space=\"preserve\" y=\"181.25\">0,0408<\/text> <line fill=\"none\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"20\" x2=\"90\" y1=\"83.25\" y2=\"83.25\"><\/line> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"10\" x2=\"93\" y1=\"152.25\" y2=\"152.25\"><\/line> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-18 02:37:24","option_type":"txt","len":0},{"id":"1645","post_id":"7674","mon_id":"1159414","chapter_id":"1159449","question":"56,5 x 0,64 =…<\/p>","options":["A.<\/strong> 0,3616","B.<\/strong> 3,616","C.<\/strong> 3616","D.<\/strong> 36,16"],"correct":"4","level":"2","hint":"","answer":"Ch\u1ecdn D.<\/strong> 36,16.<\/span><\/p><svg height=\"180\" width=\"120\"> <g><title><\/title><rect fill=\"#d4ffaa\" height=\"182\" 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=\"56\" xml:space=\"preserve\" y=\"26.25\">56,5<\/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=\"56\" xml:space=\"preserve\" y=\"65.25\">0,64<\/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=\"27\" xml:space=\"preserve\" y=\"42.25\">x<\/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=\"48\" xml:space=\"preserve\" y=\"105.25\">2260<\/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=\"35\" xml:space=\"preserve\" y=\"135.25\">3390<\/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=\"29\" xml:space=\"preserve\" y=\"168.25\">36,160<\/text> <line fill=\"none\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"22\" x2=\"110\" y1=\"78.25\" y2=\"78\"><\/line> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"17\" x2=\"110\" y1=\"143.25\" y2=\"143\"><\/line> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-18 02:41:56","option_type":"txt","len":0}]}