4.83乘以0.59加0.41乘以1.59减0.324乘以5-查字典问答网
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  4.83乘以0.59加0.41乘以1.59减0.324乘以5.9用简便方法怎样计算

  4.83乘以0.59加0.41乘以1.59减0.324乘以5.9用简便方法怎样计算

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2020-03-2217:37
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李占宏

  4.83*0.59+0.41*1.59-0.324*5.9

  =4.83*0.59-3.24*0.59+0.41*1.59

  =(4.83-3.24)*0.59+0.41*1.59

  =1.59*0.59+0.41*1.59

  =1.59*(0.59+0.41)

  =1.59*1

  =1.59

  重点在于:0.324*5.9=3.24*0.59

2020-03-22 17:38:08
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