["0",{"type":2,"so":8,"so2":6,"so3":9,"dapan":[0,1,2,3,4,5,6,7,8]},{"so1":4,"so2":6,"so3":0},{"sIndex":9,"cIndex":7,"color":"#ff7e00"},{"so1":4,"so2":8,"so3":2,"so4":7,"so5":2,"so6":2,"type":2,"da":"1"},{"sIndex":6,"cIndex":11,"color":"#b6b6b6"},{"list":[1,8,5,7],"N":4,"orderedList":[1,5,7,8]},{"list":[1,9,6,4],"N":4,"orderedList":[9,6,4,1]},{"so1":5,"so2":2},{"so1":2,"so2":1},{"SBT":8,"ST":6},{"type":0,"so1":8,"so2":1,"so3":9,"kq":"+"},{"so1":9,"so2":6,"so3":4,"so4":2,"so5":1,"so6":4,"type":2,"da":"0"},{"so1":9,"so2":6,"so3":6,"so4":3,"so5":1,"so6":2,"type":4,"da":"0"},"0","0",{"a":5,"b":"cái bút","c":"Đem tặng","d":6,"e":2,"t":8},{"a":7,"b":"thước kẻ","c":"Mua thêm","d":5,"e":2,"t":7}]
["[0,1,2,3]",[0,1,2,3,4,5,6,7,8],"10","5","Nhỏ hơn","2",[1,5,7,8],[9,6,4,1],"7","3","8","+","Lớn hơn","Lớn hơn","[0,1,2,3]","[0,1,2,3]",{"ans1":"8","ans2":"-","ans3":"6","ans4":"=","ans5":"2"},{"ans1":"5","ans2":"+","ans3":"2","ans4":"=","ans5":"7"}]
Nối số cần điền vào chỗ trống để được phép tính đúng.
- 2# ... + 4 = 6
- 5# ... - 2 = 3
- 9# ... - 7 = 2
- 6# 1 + ... = 7
Số chẵn bé nhất có một chữ số là:
- 9
- 2
- 8
- 1