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一年级(上)学期 - 20内不进位不退位加减

  • 19 - 19 =

    14 - 10 =

    4 + 2 =

    3 + 11 =

  • 7 + 13 =

    8 - 5 =

    15 - 14 =

    4 + 13 =

  • 19 - 3 =

    17 + 3 =

    9 - 2 =

    18 - 2 =

  • 3 + 13 =

    16 - 13 =

    1 + 8 =

    1 + 17 =

  • 1 + 5 =

    14 + 3 =

    16 - 16 =

    10 + 6 =

  • 7 - 1 =

    5 - 3 =

    14 - 2 =

    9 + 1 =

  • 17 - 5 =

    12 + 7 =

    1 + 4 =

    10 + 2 =

  • 19 - 16 =

    9 + 11 =

    14 + 2 =

    14 + 5 =

  • 13 + 6 =

    3 + 4 =

    1 + 19 =

    11 + 4 =

  • 9 - 7 =

    1 + 13 =

    9 - 9 =

    5 - 5 =

  • 4 + 6 =

    12 + 1 =

    14 - 1 =

    14 - 3 =

  • 16 - 12 =

    1 + 15 =

    15 - 1 =

    7 + 1 =

  • 14 + 6 =

    17 - 12 =

    1 + 16 =

    16 - 6 =

  • 2 + 6 =

    4 + 4 =

    4 - 4 =

    10 + 10 =

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