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anh ban nhỏ CỘNG TRỪ 1234

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  • 12+13+21+42=?
    88
  • 62+31-53+19=?
    50
    59
    15
    49
  • 16-12+55-19+55=?
    96
    95
    97
    99
  • 44+11+14+30 =?
    77
    55
    66
    99
  • 25+21+12+21=?
    39
    75
    35
    79
  • 11+23+34-16=?
    52
    12
    42
    32
  • 77-24+11+15-24=?
    44
    55
    77
    74
  • 16-12+65-44-15=?
    10
    33
    77
    20
  • 22+22+11+42=?
    57
    97
    53
    93
  • 68-34+65-14-41=?
    33
    55
    11
    44
  • 53+43-55+34=?
    55
    65
    75
    35
  • 85-11-13+38-34=?
    66
    99
    65
    67
  • 24+13+32-13=?
    52
    56
    55
    54
  • 49+10+20-52=?
    20
    70
    23
    27
  • 67-34-33+34+15=?
    46
    48
    49
    50
  • 88-55+33-51=?
    13
    15
    14
    11
  • 68-24+55-33-34=?
    32
    35
    34
    33
  • 19+40-55+24=?
    20
    27
    28
    29
  • 21+14+40+11=?
    87
    86
    88
    85
  • 57-23+15+50-44=?
    55
  • 28-14+85-14-35=?
    50
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