Phép chia số thập phân

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 22. Phép chia số thập phânBài tập trung bình

{"common":{"save":0,"post_id":"7680","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1690","post_id":"7680","mon_id":"1159414","chapter_id":"1159449","question":"\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m:<\/p>23,2  :  <\/strong><\/span>0,16  <\/strong><\/span>=  …<\/strong><\/span><\/p>","options":["A.<\/strong> 14,5","B.<\/strong> 145","C.<\/strong> 1,45","D.<\/strong> 0,145"],"correct":"2","level":"2","hint":"","answer":"Ch\u1ecdn B.<\/strong> 145<\/span><\/p>- Ph\u1ea7n th\u1eadp phân c\u1ee7a s\u1ed1 0,16 có hai ch\u1eef s\u1ed1.<\/p>- Chuy\u1ec3n d\u1ea5u ph\u1ea9y c\u1ee7a s\u1ed1 23,2 sang bên ph\u1ea3i hai ch\u1eef s\u1ed1 (tuy nhiên ph\u1ea7n th\u1eadp phân c\u1ee7a s\u1ed1 23,2 ch\u1ec9 có m\u1ed9t ch\u1eef s\u1ed1 nên coi 23,2 = 23,20) \u0111\u01b0\u1ee3c 2320.<\/p>- B\u1ecf d\u1ea5u ph\u1ea9y \u1edf s\u1ed1 0,16 \u0111\u01b0\u1ee3c 16.<\/p>- Th\u1ef1c hi\u1ec7n phép chia:<\/p><svg height=\"140\" width=\"150\"> <g> <title><\/title> <rect fill=\"#aaffff\" height=\"142\" id=\"canvas_background\" width=\"152\" 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=\"81\" x2=\"81\" y1=\"4.52272\" y2=\"69.52272\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"139.40908\" x2=\"81.40908\" y1=\"32.52272\" y2=\"32.52272\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"16.40908\" xml:space=\"preserve\" y=\"28.52272\">2320<\/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=\"93.40908\" xml:space=\"preserve\" y=\"27.52272\">16<\/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=\"89.40908\" xml:space=\"preserve\" y=\"61.52272\">145<\/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=\"29.40908\" xml:space=\"preserve\" y=\"61.52272\">72<\/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=\"42.40908\" xml:space=\"preserve\" y=\"93.52272\">80<\/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=\"55.40908\" xml:space=\"preserve\" y=\"128.52272\">0<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-19 03:21:53","option_type":"txt","len":0},{"id":"1691","post_id":"7680","mon_id":"1159414","chapter_id":"1159449","question":"\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m: <\/p>24,84  :  5,4  =  …<\/strong><\/span><\/p>","options":["A.<\/strong> 0,46","B.<\/strong> 4,6","C.<\/strong> 46","D.<\/strong> 0,046"],"correct":"2","level":"2","hint":"","answer":"Ch\u1ecdn B.<\/strong> 4,6<\/span><\/p>- Ph\u1ea7n th\u1eadp phân c\u1ee7a s\u1ed1 5,4 có m\u1ed9t ch\u1eef s\u1ed1.<\/p>- Chuy\u1ec3n d\u1ea5u ph\u1ea9y c\u1ee7a s\u1ed1 24,84 sang bên ph\u1ea3i m\u1ed9t ch\u1eef s\u1ed1 \u0111\u01b0\u1ee3c 248,4; b\u1ecf d\u1ea5u ph\u1ea9y \u1edf s\u1ed1 5,4 \u0111\u01b0\u1ee3c 54.<\/p>- Th\u1ef1c hi\u1ec7n phép chia:<\/p><svg height=\"100\" width=\"150\"> <g> <title><\/title> <rect fill=\"#d4ffaa\" height=\"102\" id=\"canvas_background\" width=\"152\" 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_8\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.31817\" xml:space=\"preserve\" y=\"25.52272\">248,4<\/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=\"96.31817\" xml:space=\"preserve\" y=\"25.52272\">54<\/text> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"87.31817\" x2=\"87.31817\" y1=\"1.52272\" y2=\"60.52272\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"143.31817\" x2=\"87.31817\" y1=\"32.52272\" y2=\"32.52272\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"94.31817\" xml:space=\"preserve\" y=\"55.52272\">4,6<\/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=\"20.31817\" xml:space=\"preserve\" y=\"60.52272\">32 4<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"53.31817\" xml:space=\"preserve\" y=\"95.52272\">0<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-20 01:22:29","option_type":"txt","len":0},{"id":"1692","post_id":"7680","mon_id":"1159414","chapter_id":"1159449","question":"\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m:<\/p>56  :  1,6  =  …<\/strong><\/span><\/p>","options":["A.<\/strong> 0,35","B.<\/strong> 3,5","C.<\/strong> 35","D.<\/strong> 350"],"correct":"3","level":"2","hint":"","answer":"Ch\u1ecdn C.<\/strong> 35<\/span><\/p>- Ph\u1ea7n th\u1eadp phân c\u1ee7a 1,6 có m\u1ed9t ch\u1eef s\u1ed1.<\/p>- Vi\u1ebft thêm m\u1ed9t ch\u1eef s\u1ed1 0 vào bên ph\u1ea3i s\u1ed1 56 \u0111\u01b0\u1ee3c 560, b\u1ecf d\u1ea5u ph\u1ea9y \u1edf 1,6 \u0111\u01b0\u1ee3c 16.<\/p>- Th\u1ef1c hi\u1ec7n phép chia: 560 : 16 = 35<\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"0","date":"2024-09-20 01:37:45","option_type":"txt","len":0}]}