[{"N":4,"a":3,"type":1,"first":626},{"so1":167,"so2":133},{"so1":412,"so2":113},{"so1":7,"so2":4},{"type":1,"so1":4,"so2":24},{"pheptinh":"+","dv":1,"vitri":0,"so1":72,"so2":2},{"sIndex":6,"cIndex":2,"color":"#1b66ff"},{"type":0,"so1":1,"so2":8,"so3":2},{"type":1,"b":3,"c":4},{"em":9,"anh":13,"type":2}]
[["631","636","641"],"300","299",{"ans0":"4*7","ans1":"28"},{"ans0":"24 : 4 ","ans1":"6"},"92","6","10","<","9"]
