[{"N":4,"a":3,"type":1,"first":638},{"so1":286,"so2":485},{"so1":147,"so2":49},{"so1":7,"so2":5},{"type":0,"so1":2,"so2":4},{"pheptinh":"-","dv":2,"vitri":0,"so1":38,"so2":1},{"sIndex":2,"cIndex":9,"color":"#00c933"},{"type":8,"so4":4,"so3":0,"so1":4,"so2":5},{"type":1,"b":4,"c":5},{"em":8,"anh":14,"type":3}]
[["643","648","653"],"771","98",{"ans0":"5 x 7","ans1":"35"},{"ans0":"4 : 2","ans1":"2"},"28","9","20","<","14"]
