Lớp 2 - Đề khảo sát giữa học kỳ I lớp 2

[{"so2":30,"so1":37},{"so1":91,"so2":96,"so3":30,"so4":22,"so5":6,"so6":0,"type":3,"da":"1"},{"so1":0,"so2":48,"so3":0,"so4":6,"so5":62,"so6":0,"type":0,"da":"1"},{"pheptinh":"-","so1":39,"so2":12,"dv":1},{"a":487,"b":314,"c":180,"d":54,"i":3},{"a":368,"b":90,"c":140,"d":88,"i":6},{"seed1":5,"seed2":8,"so1":58,"so2":45},{"seed1":2,"seed2":3,"so1":23,"so2":17},{"so":5,"missed":1},{"so1":102,"so2":0},{"type":1,"so1":84,"so2":27,"so3":57,"kq":"-"},{"a":59,"b":36,"c":23,"d":12,"e":11,"h1":2,"h2":5,"h3":6,"pos2":0,"pos3":1,"cid":1,"rnd":0},{"alpha":-2,"Xgoc":38,"Ygoc":58,"dai":60,"XSeg":42,"YSeg":48,"alphaSeg":-1},{"so1":55,"so2":37,"idx":15},{"so1":96,"so2":43,"idx":6}]

["67","Nhỏ hơn","Nhỏ hơn","27","9","8","103","6","5","102","-",[1,1,0,0],"60",{"ans1":"55 + 37 = 92","ans2":"92"},{"ans1":"96 - 43 = 53","ans2":"53"}]