1.38/1.25脱式计算

1个回答

  • 1.38/1.25

    =138/125

    =(125+13)/125

    =1+13/125

    =1+(12.5+0.5)/125

    =1+0.1+(0.1/25

    =1.1+(0.1*1000)/(25*1000)

    =1.1+(100/25)/1000

    =1.1+4/1000

    =1.1+0.004

    =1.104

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