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

[{"so2":80,"so1":18},{"so1":68,"so2":10,"so3":24,"so4":10,"so5":31,"so6":31,"type":3,"da":"0"},{"so1":28,"so2":40,"so3":14,"so4":30,"so5":40,"so6":52,"type":0,"da":"1"},{"pheptinh":"+","so1":60,"so2":35,"dv":1},{"a":468,"b":272,"c":108,"d":51,"i":5},{"a":372,"b":192,"c":109,"d":51,"i":4},{"seed1":2,"seed2":8,"so1":28,"so2":46},{"seed1":7,"seed2":3,"so1":73,"so2":57},{"so":4,"missed":1},{"so1":467,"so2":161},{"type":0,"so1":74,"so2":24,"so3":98,"kq":"+"},{"a":43,"b":22,"c":21,"d":10,"e":11,"h1":1,"h2":3,"h3":4,"pos2":0,"pos3":2,"cid":1,"rnd":0},{"alpha":4,"Xgoc":53,"Ygoc":79,"dai":29,"XSeg":67,"YSeg":49,"alphaSeg":3},{"so1":48,"so2":34,"idx":15},{"so1":37,"so2":31,"idx":3}]

["98","Lớn hơn","Nhỏ hơn","95","9","8","74","16","4","306","+",[1,1,0,0],"28",{"ans1":"48+34=82","ans2":"82"},{"ans1":"37-31=6","ans2":"6"}]