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18 Ô CỬA

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  • - 23 - 34
    -57
  • 15 + c = 75
    60
  • u : 7 = 2
    14
  • 32 + S = 48
    16
  • s + 45 = 78
    33
  • x + 34 = 13 + 4
    7
  • 89 - f = 13
    76
  • c - 34 = 12
    46
  • A + 35 = 12
    23
  • 56 - x = 23
    33
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