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  • 1. 直接写出得数。

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基础巩固 换一批
  • 1. 直接写出得数。

    56 - 16 =            0.35+ 25 =          12 - 18 =             15 - 28 + 45 =

    13 + 15 = 2- 27 = 1- 15 - 45 = 16 + 15 + 56 =

  • 2. 口算。

    59 - 18 = 13 + 23 = 0.25+ 74 = 112 - 38 - 58 =

    43 + 12 =          1- 35 =           0.875- 12 =       437 - 37 + 18 =

    17 + 16 =          12 - 15 =         56 - 29 =           12 + 115 =

  • 3. 直接写得数                                                                                                            

    71025=

    29+59=

    34+12=

    1517=

    10919=

    5623=

    3525=

    2+67=

    38+14=

    156=