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一年级数学上册口算题:6和7加减

奥数网 2016-09-22 18:16:45

  6 = 6+   7 - 3 =   7 = 3+   6 - 0 =

  6 = 3+   7 - 5 =   7 = 3+   6 - 5 =

  6 = 4+   7 - 0 =   7 = 5+   6 - 2 =

  6 = 2+   7 - 0 =   7 = 1+   6 - 1 =

  6 = 6+   7 - 2 =   7 = 6+   6 - 1 =

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