[{"so":9000},{"so":4900},"{\"js\":\"\",\"order\":[2,0,1,3]}",{"thu":4,"ty":1,"thang":7,"k":3,"ngay":1},{"eventID":4,"startH":7,"startM":30,"duration":132,"endH":9,"endM":42},{"type":1,"size":5,"orderedList":[9,7,5,3,2],"list":[7,3,5,2,9]},{"sType":0,"sIndex":2,"cIndex":1,"color":"#fc9c00","dvi":0,"scale":5,"hinh":[{"x":35,"y":35},{"x":260,"y":35},{"x":260,"y":170},{"x":35,"y":170}],"cDai":23,"cRong":14},{"so1":33247,"so2":625},{"so1":57000,"so2":50543},{"so1":1348,"so2":1},{"so2":5,"so1":3920},{"type":0,"so1":6,"so2":3768},{"n":4,"op":0,"b":3730,"c":1380},{"so1":3,"so2":"m","so6":1,"so3":"dm","so4":2,"so5":15,"so7":59},{"so1":5,"so2":"hm","so6":3,"so3":"dm","so4":1,"so5":18,"so7":477},{"a":6,"b1":0,"b":"bớt","c1":1,"c":"ba","d":4},"{\"js\":\"\"}"]
["8999","4901","[\"1\"]",[1],{"hour":"2","min":"12"},["IX","VII","V","III","II"],"370","33872","6457","1348","784",{"ans0":"3768:6","ans1":"628"},"20440","<",">","14","[\"6\"]"]
Tính giá trị của biểu thức: 6435 - 3240 : 6
5295 5895 5833 5985 Hướng dẫn giải: 6435 - 3240 : 6
= 6435 - 540
= 5895
Có bao nhiêu số có 3 chữ số mà mỗi số đó có tổng các chữ số là 3?
Có số.
Hướng dẫn giải: Ta có 3 = 3 + 0 + 0 = 2 + 1 + 0 = 1 + 1 + 1
Vậy các số thỏa mãn đề bài là: 300, 210, 201, 120, 102, 111.
Vậy có 6 số.