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Toán: Phép cộng, trừ

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  • 6 - 1 = ...
    1
    3
    5
    6
  • 2 + 5 = ...
    7
    5
    4
    6
  • 5 + 5 = ...
    6
    10
    4
    5
  • 6 - 0 = ...
    1
    3
    4
    6
  • 3 - 3 = ...
    0
    6
    1
    4
  • 5 - 3 = ...
    2
    6
    4
    1
  • 1 + 3 = ...
    1
    4
    2
    3
  • 6 + 3 = ...
    8
    9
    2
    1
  • 6 - 2 = ...
    4
    6
    3
    1
  • 2 + 3 = ...
    6
    5
    4
    2
  • 4 - 1 = ...
    3
    4
    6
    1
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