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四年级口算题:小数的加法和减法

奥数网 2010-08-18 16:47:55

  四年级口算题:小数的加法和减法

  (1) 54.76 - 51.12 =

  (2) 61.45 + 20.7 =

  (3) 59.46 + 18.28 =

  (4) 46.31 + 21.76 =

  (5) 21.85 + 37.08 =

  (6) 42.88 - 12.63 =

  (7) 84.75 + 13.96 =

  (8) 42.39 - 20.92 =

  (9) 29.54 - 20.12 =

  (10) 76.13 + 13.37 =

  (11) 26.31 - 22.07 =

  (12) 93.99 - 36.18 =

  (13) 69.88 + 27.33 =

  (14) 61.04 + 17.67 =

  (15) 28.54 - 17.35 =

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