Mathematics
         
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Mathematical calculation:
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    Current location:Mathematical operation > History of Mathematical Computation > Answer

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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation 70/1.05+70/(1.05^2)+70/(1.05^3)+70/(1.05^4)-200/1.05^0 .
    Question type: Mathematical calculation
    Solution:
          70/1.05+70/(1.05^2)+70/(1.05^3)+70/(1.05^4)-200/1.05^0
        =70/1.05+70/1.1025+70/(1.05^3)+70/(1.05^4)-200/1.05^0
        =70/1.05+70/1.1025+70/1.157625+70/(1.05^4)-200/1.05^0
        =70/1.05+70/1.1025+70/1.157625+70/1.21550625-200/1.05^0
        =70/1.05+70/1.1025+70/1.157625+70/1.21550625-200/1
        =66.666667+70/1.1025+70/1.157625+70/1.21550625-200/1
        =66.666667+63.492063+70/1.157625+70/1.21550625-200/1
        =66.666667+63.492063+60.468632+70/1.21550625-200/1
        =66.666667+63.492063+60.468632+57.589173-200/1
        =66.666667+63.492063+60.468632+57.589173-200
        =130.15873+60.468632+57.589173-200
        =190.627362+57.589173-200
        =248.216535-200
        =48.216535

    Answer:70/1.05+70/(1.05^2)+70/(1.05^3)+70/(1.05^4)-200/1.05^0=48.216535


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