["0",{"so1":47,"so2":3,"idx":0,"help":false},{"idx":4,"type":1,"donvi":1,"metricIdx":0,"d1":4,"d2":7,"qd":0,"color":"#009c00"},{"sIndex":15,"cIndex":15,"color":"#00c933","dvi":1,"edge":[19,20,17,23,22]},{"gio":5,"giay":0,"phut":53,"kieuchu":1,"help":false},{"so1":2,"so2":1},{"so1":8,"so2":2,"so3":6,"so4":4},{"so1":10,"so2":6},{"so1":8,"so2":6,"type":1},{"z":6,"x":1,"y":1,"xy":11}]
["0",{"ans2":"97"},"7","101","5:53","2","<","6","6","66"]
Thực hiện phép trừ: 532 - 168
- 364
- 374
- 354
- 394