Phép trừ ( có nhớ ) trong phạm vi 1000

Home Lớp 2 Toán lớp 2 - Sách Kết nối tri thức Bài 62: Phép trừ (có nhớ) trong phạm vi 1000Bài tập trung bình

{"common":{"save":0,"post_id":"4355","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2359","post_id":"4355","mon_id":"11445","chapter_id":"11582","question":"<div class=\"bt_noiso\">453<\/span> -27<\/span><\/span> <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/span> +215<\/span><\/span><input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/span><\/div><div class=\"bt_noiso\"> <\/div><div class=\"bt_noiso\"> <\/div><div class=\"bt_noiso\"> <\/div>","options":"","correct":["[\"426\",\"641\"]"],"level":"2","hint":"","answer":"Th\u1ef1c hi\u1ec7n phép tính t\u1eeb trái sang ph\u1ea3i:<\/p>453 - 27 = 426<\/strong><\/p>426 + 215 = 641<\/strong><\/p>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n là 426<\/strong> <\/span>và 641<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"128","test":"3","date":"2021-07-31 01:23:53"},{"id":"2360","post_id":"4355","mon_id":"11445","chapter_id":"11582","question":"<div class=\"lt123matrix\"><div class=\"lt123_math\"><\/span> <\/span> 8<\/span> 2<\/span> 4<\/span> <\/span> <\/span> -<\/span><\/span> 6<\/span> <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/span> 2<\/span> <\/span> <\/span> <\/span> 1<\/span> 9<\/span> <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/span><\/div><\/div>","options":"","correct":["[\"3\",\"2\"]"],"level":"2","hint":"","answer":"Xét : <\/p>Hàng \u0111\u01a1n v\u1ecb 4 - 2 = 2<\/strong><\/p>Hàng ch\u1ee5c  12 - 3 <\/strong>= 9 vi\u1ebft 9 nh\u1edb 1<\/strong> sang hàng tr\u0103m<\/p>Hàng tr\u0103m    8 - 1 = 7 (vì nh\u1edb 1<\/strong> t\u1eeb hàng ch\u1ee5c sang)<\/p>                    7 - 6 = 1 vi\u1ebft 1<\/p><div class=\"lt123matrix\"><div class=\"lt123_math\"><\/span> <\/span> 8<\/span> 2<\/span> 4<\/span> <\/span> <\/span> -<\/span><\/span> 6<\/span> 3<\/span><\/strong> <\/span>2<\/span> <\/span> <\/span> <\/span> 1<\/span> 9<\/span> <\/span>2<\/span><\/strong><\/span> <\/span><\/span><div col=\"4\" id=\"new_row\" row=\"2\">V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t là <\/span>3 <\/span><\/strong>; 2<\/span><\/strong><\/div><\/div><\/div>","type":"blank","extra_type":"","time":"0","user_id":"128","test":"3","date":"2021-07-31 01:32:43"},{"id":"2361","post_id":"4355","mon_id":"11445","chapter_id":"11582","question":"Ch\u1ecdn d\u1ea5u thích h\u1ee3p \u0111i\u1ec1n vào ô tr\u1ed1ng<\/p>829 - 178 <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> 325 + 136<\/strong><\/span><\/p>","options":[">","<","="],"correct":"1","level":"2","hint":"Con chú ý phép tr\u1eeb và phép c\u1ed9ng \u0111\u1ec1u có nh\u1edb 1 nhé!<\/p>","answer":"Th\u1ef1c hi\u1ec7n phép tính \u1edf c\u1ea3 2 v\u1ebf:<\/p>829 - 178 = 651<\/p>325 + 136 = 461<\/p>So sánh 651 > 461 (vì 6 > 4)<\/p>nên 829 - 178 > 325 + 136<\/strong><\/p>V\u1eady d\u1ea5u c\u1ea7n ch\u1ecdn là  ><\/strong><\/span><\/p>","type":"choose","extra_type":"balloon","time":"0","user_id":"128","test":"3","date":"2021-07-31 01:37:41","option_type":"txt","len":0}]}