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Mathematical calculation:
    Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
    It supports mathematical functions (including trigonometric functions).
    Current location:Mathematical operation > History of Mathematical Computation > Answer
    Overview: 1 questions will be solved this time.Among them
           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation (1-C(4,39-(12-1))/C(5,40))/(1-C(5,37)/C(5,40)) .
    Question type: Mathematical calculation
    Solution:
          (1-C(4,39-(12-1))/C(5,40))/(1-C(5,37)/C(5,40))
        =(1-C(4,39-11)/C(5,40))/(1-C(5,37)/C(5,40))
        =(1-20475/C(5,40))/(1-C(5,37)/C(5,40))
        =(1-20475/658008)/(1-C(5,37)/C(5,40))
        =0.968883/(1-C(5,37)/C(5,40))
        =0.968883/(1-435897/C(5,40))
        =0.968883/(1-435897/658008)
        =0.968883/0.337551
        =2.870331

    Answer:(1-C(4,39-(12-1))/C(5,40))/(1-C(5,37)/C(5,40))=2.870331


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