计算:(1)41.2×8.1+11×9.25+537×0.1-查字典问答网
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  计算:(1)41.2×8.1+11×9.25+537×0.19(2)12+(3)(4).

  计算:(1)41.2×8.1+11×9.25+537×0.19

  (2)12+

  (3)

  (4).

1回答
2020-07-15 18:34
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曹晶

  (1)41.2×8.1+11×9.25+537×0.19,

  =333.72+101.75+102.03,

  =537.5;

  (2)12+,

  =12+[0.3+(0.5+4.6)×5]÷0.3,

  =12+[0.3+5.1×5]÷0.3,

  =12+[0.3+25.5]÷0.3,

  =12+25.8÷0.3,

  =12+86,

  =98;

  (3),

  =[×4]×-,

  =×-,

  =-,

  =;

  (4),

  =5.95×3.6-7.2+6.05×3.6,

  =(5.95+6.05)×3.6-7.2,

  =12×3.6-3.6×2,

  =(12-2)×3.6,

  =10×3.6,

  =36.

2020-07-15 18:36:39

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