【脱式计算:0.2×0.6×0.5×4;(7.5-2.3×0-查字典问答网
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  【脱式计算:0.2×0.6×0.5×4;(7.5-2.3×0.4)÷0.01.】

  脱式计算:

  0.2×0.6×0.5×4;           

  (7.5-2.3×0.4)÷0.01.

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2020-07-1521:34
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  (1)0.2×0.6×0.5×4

  =(0.2×0.5)×(0.6×0.4)

  =0.1×0.24

  =0.024

  (2)(7.5-2.3×0.4)÷0.01

  =(7.5-0.92)÷0.01

  =6.58÷0.01

  =658

2020-07-15 21:38:58
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