[{"k":4,"missed":2,"list":[2,7],"help":true},{"k":5,"missed":3,"list":[4,8,9],"help":true},{"type":0,"so1":3,"so2":12},{"so2":4,"so1":5,"idx":1},{"color":"#CC3333","shapeId":4,"shapeName":"hình đa giác","shapeId1":2,"num":"4","render":true},{"so2":4,"so1":28},{"type":1,"b":3,"c":4},{"k":5,"missed":2,"list":[4,7],"help":true},{"so2":5,"so1":30,"idx":7},{"giay":0,"gio":[6,6,6,6],"phut":[30,45,0,15],"kieuchu":0,"correctAns":2,"digitalFace":3}]
[["8","28"],["20","40","45"],{"ans0":"12/3","ans1":"4"},{"ans1":"4*5=20","ans2":"20"},"1/4","7","<",["20","35"],{"ans1":"30/5=6","ans2":"6"},0]