• 计算下列各题试题及答案-解答题-云返教育

    • 试题详情

      计算下列各题

      试题解答


      见解析
      (1)59+21-8,
      =80-8,
      =72;

      (2)(59+21)×96-8,
      =80×96-8,
      =7680-8,
      =7672;

      (3)(59+21)×(96-8),
      =80×88,
      =7040;

      (4)9.5+4.85-6.13,
      =14.35-6.13,
      =8.22;

      (5)40-(2.75+0.86),
      =40-3.61,
      =36.39;

      (6)(75+240)÷(20-5),
      =315÷15,
      =21.
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