计算下面各题,怎样简便就怎样计算.0.75×+×0.25×4-查字典问答网
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  计算下面各题,怎样简便就怎样计算.0.75×+×0.25×4÷0.25×4()×13+4÷170.6÷+×-60%50-7.5-1.3-1.2(-+)×36.

  计算下面各题,怎样简便就怎样计算.

  0.75×+×0.25×4÷0.25×4()×13+4÷170.6÷+×-60%50-7.5-1.3-1.2           (-+)×36.

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2020-05-07 01:43
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陈晓玲

  (1)0.75×+×,

  =0.75×(),

  =0.75×1,

  =0.75;

  (2)0.25×4÷0.25×4,

  =0.25÷0.25×(4×4),

  =1×16,

  =16;

  (3)()×13+4÷17,

  =()×13+,

  =1313,

  =+(),

  =1,

  =2;

  (4)0.6÷+×-60%,

  =0.6×+-0.6,

  =0.6×(1),

  =0.6×2,

  =1.2;

  (5)50-7.5-1.3-1.2,

  =50-(7.5+1.3+1.2),

  =50-10,

  =40;

  (6)(-+)×36,

  =363636,

  =18-12+6,

  =12.

2020-05-07 01:48:10

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