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HomeLớp 2Toán lớp 2 - Sách Kết nối tri thứcBài 22: Phép trừ (có nhớ) số có hai chữ số cho số có một chữ sốBài tập nâng cao
{"common":{"save":0,"post_id":"4226","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1301","post_id":"4226","mon_id":"11445","chapter_id":"11468","question":"<p>N\u1ed1i s\u1ed1 tr\u1eeb v\u1edbi s\u1ed1 b\u1ecb tr\u1eeb \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 là <strong>39<\/strong>?<\/p>","options":[["<div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/con-vat\/bunny.png\" \/><strong>46<\/strong><\/div>","<div class=\"lt123_imgs\"><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/con-vat\/bunny.png\" \/><strong>47<\/strong><\/div><\/div>","<div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/con-vat\/bunny.png\" \/><strong>45<\/strong><\/div>"],["<div class=\"lt123_imgs\"><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/rau\/f5.png\" \/><strong>8<\/strong><\/div><\/div>","<div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/rau\/f5.png\" \/><strong>6<\/strong><\/div>","<div class=\"lt123_imgs\"><div class=\"lt123_imgs\"><div class=\"lt123_imgs\"><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/rau\/f5.png\" \/><strong>7<\/strong><\/div><\/div><\/div><\/div>"],["<div class=\"lt123_imgs\"><div class=\"lt123_imgs\"><div class=\"lt123_imgs\"><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/rau\/f5.png\" \/><strong>7<\/strong><\/div><\/div><\/div><\/div>","<div class=\"lt123_imgs\"><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/rau\/f5.png\" \/><strong>8<\/strong><\/div><\/div>","<div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/rau\/f5.png\" \/><strong>6<\/strong><\/div>"]],"correct":[1,2,0],"level":"3","hint":"<p>Con hãy th\u1ef1c hi\u1ec7n phép tr\u1eeb b\u1eb1ng cách l\u1ea5y s\u1ed1 b\u1ecb tr\u1eeb (con th\u1ecf) tr\u1eeb \u0111i s\u1ed1 tr\u1eeb (c\u1ee7 cà r\u1ed1t) t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 là 39 nhé!<\/p>","answer":"<p>Th\u1ef1c hi\u1ec7n phép tr\u1eeb b\u1eb1ng cách l\u1ea5y s\u1ed1 b\u1ecb tr\u1eeb (con th\u1ecf) tr\u1eeb \u0111i s\u1ed1 tr\u1eeb (c\u1ee7 cà r\u1ed1t).<\/p><p>\u0110áp án \u0111úng là:<\/p><p><span style=\"color:#16a085;\"><strong>46 - 7<\/strong><\/span><strong> = 39<\/strong><\/p><p><span style=\"color:#16a085;\"><strong>47 - 8<\/strong><\/span><strong> = 39<\/strong><\/p><p><span style=\"color:#16a085;\"><strong>45 - 6 <\/strong><\/span><strong>= 39<\/strong><\/p>","type":"matching","extra_type":"mat_img","time":"0","user_id":"126","test":"0","date":"2021-07-22 16:16:15","txt_size":"txt_small"},{"id":"1303","post_id":"4226","mon_id":"11445","chapter_id":"11468","question":"<div class=\"lt123_imgs\">L\u1edbp 1A tr\u1ed3ng \u0111\u01b0\u1ee3c 15 cây xanh, l\u1edbp 1B tr\u1ed3ng ít h\u01a1n l\u1edbp 1A 6 cây. H\u1ecfi l\u1edbp 1B tr\u1ed3ng \u0111\u01b0\u1ee3c bao nhiêu cây xanh?<br \/><img class=\"img_dd\" src=\"\/data\/library\/hoa-cay\/tr\u1ed3ng c\u00e2y 1.png\" \/><\/div>","options":["6","8","9"],"correct":"3","level":"3","hint":"<p>Con hãy th\u1ef1c hi\u1ec7n phép tr\u1eeb nhé!<\/p>","answer":"<p>L\u1edbp 1B tr\u1ed3ng \u0111\u01b0\u1ee3c s\u1ed1 cây là:<\/p><p>15 - 6 = 9 (cây)<\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>9<\/strong><\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"126","test":"0","date":"2021-07-22 16:37:01","option_type":"number","len":0},{"id":"1304","post_id":"4226","mon_id":"11445","chapter_id":"11468","question":"<p>\u0110i\u1ec1n vào ô tr\u1ed1ng: 47 - 9 + 15 = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/p><div class=\"lt123_imgs\"><img class=\"img_dd\" src=\"\/data\/library\/gia-dinh\/bo-con-2.png\" \/><\/div>","options":"","correct":["[\"53\"]"],"level":"3","hint":"<p>Con hãy th\u1ef1c hi\u1ec7n phép tính t\u1eeb trái sang ph\u1ea3i nhé!<\/p>","answer":"<p>Ta có:<\/p><p> 47 - 9 + 15<\/p><p>= 38 + 15<\/p><p>= 53<\/p><p>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n vào ô tr\u1ed1ng là <span style=\"color:#16a085;\"><strong>53<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"126","test":"0","date":"2021-07-22 16:41:03"}]}