Nhân với số có một chữ số

Home Lớp 4 Toán lớp 4 - Sách Kết nối tri thức Bài 38. Nhân với số có một chữ sốBài tập nâng cao

{"common":{"save":0,"post_id":"6851","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1833","post_id":"6851","mon_id":"1159012","chapter_id":"1159015","question":"M\u1eb9 có 500 000 \u0111\u1ed3ng. M\u1eb9 mua hai b\u1ed9 qu\u1ea7n áo, m\u1ed7i b\u1ed9 có giá 136 000 \u0111\u1ed3ng. H\u1ecfi m\u1eb9 còn l\u1ea1i bao nhiêu ti\u1ec1n?<\/p>","options":["A.<\/strong> 238 000 (\u0111\u1ed3ng)","B.<\/strong> 229 000 (\u0111\u1ed3ng)","C.<\/strong> 272 000 (\u0111\u1ed3ng)","D.<\/strong> 228 000 (\u0111\u1ed3ng)"],"correct":"4","level":"3","hint":"Tình s\u1ed1 ti\u1ec1n m\u1eb9 mua hai b\u1ed9 qu\u1ea7n áo tr\u01b0\u1edbc, b\u1eb1ng cách dùng phép tính nhân v\u1edbi 2.<\/p>","answer":"S\u1ed1 ti\u1ec1n mua 2 b\u1ed9 qu\u1ea7n áo là:<\/p>136 000 x 2 = 272 000 (\u0111\u1ed3ng)<\/p>S\u1ed1 ti\u1ec1n còn l\u1ea1i c\u1ee7a m\u1eb9 là:<\/p>500 000 – 272 000 = 228 000 (\u0111\u1ed3ng)<\/p>Ch\u1ecdn D.<\/strong> 228 000 (\u0111\u1ed3ng)<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-12-10 02:29:49","option_type":"txt","len":2},{"id":"1834","post_id":"6851","mon_id":"1159012","chapter_id":"1159015","question":"Tính giá tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c:<\/p>(56 901 + 63 829) x 3<\/strong><\/span><\/p>","options":["A.<\/strong> 362 190","B.<\/strong> 361 190","C.<\/strong> 362 290","D.<\/strong> 352 190"],"correct":"1","level":"3","hint":"Th\u1ef1c hi\u1ec7n phép tính trong ngo\u1eb7c tr\u01b0\u1edbc, r\u1ed3i l\u1ea5y k\u1ebft qu\u1ea3 c\u1ee7a t\u1ed5ng \u0111ó nhân v\u1edbi 3.<\/p>","answer":"(56 901 + 63 829) x 3<\/p>= 120 730 x 3<\/p>= 362 190<\/p>Ch\u1ecdn A.<\/strong> 362 190<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-12-10 02:32:27","option_type":"txt","len":0},{"id":"1836","post_id":"6851","mon_id":"1159012","chapter_id":"1159015","question":"Câu nào sai<\/strong>?<\/p>","options":["A.<\/strong> 560 206 x 2 = 1 120 412","B.<\/strong> 560 206 x 2 > 1 120 402","C.<\/strong> 560 206 x 2 < 1 120 512","D.<\/strong> 560 206 x 2 < 1 120 412"],"correct":"4","level":"3","hint":"Th\u1ef1c hi\u1ec7n phép c\u1ed9ng 560 206 x 2 = 1 120 412 tr\u01b0\u1edbc, sau \u0111ó th\u1ef1c hi\u1ec7n so sánh \u0111\u1ec3 tìm k\u1ebft qu\u1ea3 nào sai.<\/strong><\/p>","answer":"Ta có: 560 206 x 2 = 1 120 412. Do \u0111ó<\/p>A.<\/strong> 560 206 x 2 = 1 120 412 \u0111úng<\/span><\/p>B.<\/strong> 560 206 x 2 > 1 120 402 \u0111úng<\/span><\/p>C.<\/strong> 560 206 x 2 < 1 120 512 \u0111úng<\/span><\/p>D.<\/strong> 560 206 x 2 < 1 120 412 sai<\/span><\/p>Ch\u1ecdn D.<\/strong> 560 206 x 2 < 1 120 412<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-12-10 02:36:55","option_type":"txt","len":2}]}