小学数学二年级口算:整十数加整十数的加法

李婷 1172分享

  二年级口算题:整十数加整十数的加法

  (1)70 + 30 =

  (2)70 + 30 =

  (3)70 + 50 =

  (4)50 + 40 =

  (5)40 + 90 =

  (6)60 + 20 =

  (7)70 + 70 =

  (8)40 + 80 =

  (9)30 + 70 =

  (10)50 + 70 =

  (11)20 + 50 =

  (12)60 + 10 =

  (13)30 + 50 =

  (14)10 + 40 =

  (15)80 + 70 =

    163265