Ôn tập các phép tính với số tự nhiên

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 2 - Ôn tập các phép tính với số tự nhiênBài tập nâng cao

{"common":{"save":0,"post_id":"7558","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1087","post_id":"7558","mon_id":"1159414","chapter_id":"1159417","question":"\u0110\u1ea7u n\u0103m, nhà tr\u01b0\u1eddng phát 630 chi\u1ebfc gh\u1ebf cho các l\u1edbp. Bi\u1ebft tr\u01b0\u1eddng có 15 l\u1edbp, s\u1ed1 gh\u1ebf m\u1ed7i l\u1edbp nh\u1eadn \u0111\u01b0\u1ee3c b\u1eb1ng nhau. V\u1eady 12 l\u1edbp s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c t\u1ed5ng s\u1ed1 chi\u1ebfc gh\u1ebf là:<\/p>","options":["A.<\/strong> 42 chi\u1ebfc","B.<\/strong> 420 chi\u1ebfc","C.<\/strong> 504 chi\u1ebfc","D.<\/strong> 126 chi\u1ebfc"],"correct":"3","level":"3","hint":"","answer":"Ch\u1ecdn C.<\/strong> 504 chi\u1ebfc<\/span><\/p>M\u1ed7i l\u1edbp nh\u1eadn \u0111\u01b0\u1ee3c s\u1ed1 gh\u1ebf là:<\/p>630 : 15 = 42 (chi\u1ebfc)<\/p>S\u1ed1 gh\u1ebf 12 l\u1edbp nh\u1eadn \u0111\u01b0\u1ee3c là:<\/p>42 x 12 = 504 (chi\u1ebfc)<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-08-15 12:07:31","option_type":"txt","len":1},{"id":"1089","post_id":"7558","mon_id":"1159414","chapter_id":"1159417","question":"Trung bình c\u1ed9ng s\u1ed1 hoa \u0111i\u1ec3m m\u01b0\u1eddi c\u1ee7a D\u0169ng và Mai là 54 bông. D\u0169ng h\u01a1n Mai 4 hoa \u0111i\u1ec3m m\u01b0\u1eddi. S\u1ed1 hoa \u0111i\u1ec3m m\u01b0\u1eddi c\u1ee7a Mai là:<\/p>","options":["A.<\/strong> 50 bông","B.<\/strong> 51 bông","C.<\/strong> 52 bông","D.<\/strong> 53 bông"],"correct":"3","level":"3","hint":"","answer":"Ch\u1ecdn C.<\/strong> 52 bông<\/span><\/p>T\u1ed5ng s\u1ed1 hoa \u0111i\u1ec3m m\u01b0\u1eddi c\u1ee7a D\u0169ng và Mai là:<\/p>54 x 2 = 108 (bông)<\/p>S\u1ed1 hoa \u0111i\u1ec3m m\u01b0\u1eddi c\u1ee7a Mai là:<\/p>(108 – 4) : 2 = 52 (bông)<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-08-15 12:10:06","option_type":"txt","len":2},{"id":"1091","post_id":"7558","mon_id":"1159414","chapter_id":"1159417","question":"Hai kho thóc có t\u1ed5ng c\u1ed9ng 112 t\u1ea5n, n\u1ebfu chuy\u1ec3n t\u1eeb kho th\u1ee9 nh\u1ea5t sang kho th\u1ee9 hai 24 t\u1ea5n thì lúc này s\u1ed1 thóc \u1edf hai kho b\u1eb1ng nhau. Kh\u1ed1i l\u01b0\u1ee3ng thóc ban \u0111\u1ea7u c\u1ee7a kho th\u1ee9 hai là:<\/p>","options":["A.<\/strong> 12 t\u1ea5n","B.<\/strong> 20 t\u1ea5n","C.<\/strong> 22 t\u1ea5n","D.<\/strong> 32 t\u1ea5n"],"correct":"4","level":"3","hint":"","answer":"Ch\u1ecdn D.<\/strong> 32 t\u1ea5n<\/span><\/p>Kh\u1ed1i l\u01b0\u1ee3ng thóc \u1edf kho th\u1ee9 nh\u1ea5t khi chuy\u1ec3n sang kho th\u1ee9 hai 24 t\u1ea5n là:<\/p>112 : 2 = 56 (t\u1ea5n)<\/p>Kh\u1ed1i l\u01b0\u1ee3ng thóc ban \u0111\u1ea7u c\u1ee7a kho th\u1ee9 nh\u1ea5t là:<\/p>56 + 24 = 80 (t\u1ea5n)<\/p>Kh\u1ed1i l\u01b0\u1ee3ng thóc ban \u0111\u1ea7u c\u1ee7a kho th\u1ee9 hai là:<\/p>112 – 80 = 32 (t\u1ea5n)<\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"0","date":"2024-08-15 12:13:04","option_type":"txt","len":0}]}