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Mathematical calculation:
    Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
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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 -15+6/1.25+10.5/1.25^2+12.3/1.25^3+10.2/1.25^4+12.6/1.25^5 .
    Question type: Mathematical calculation
    Solution:
          -15+6/1.25+10.5/1.25^2+12.3/1.25^3+10.2/1.25^4+12.6/1.25^5
        =-15+6/1.25+10.5/1.5625+12.3/1.25^3+10.2/1.25^4+12.6/1.25^5
        =-15+6/1.25+10.5/1.5625+12.3/1.953125+10.2/1.25^4+12.6/1.25^5
        =-15+6/1.25+10.5/1.5625+12.3/1.953125+10.2/2.44140625+12.6/1.25^5
        =-15+6/1.25+10.5/1.5625+12.3/1.953125+10.2/2.44140625+12.6/3.0517578125
        =-15+4.8+10.5/1.5625+12.3/1.953125+10.2/2.44140625+12.6/3.0517578125
        =-15+4.8+6.72+12.3/1.953125+10.2/2.44140625+12.6/3.0517578125
        =-15+4.8+6.72+6.2976+10.2/2.44140625+12.6/3.0517578125
        =-15+4.8+6.72+6.2976+4.17792+12.6/3.0517578125
        =-15+4.8+6.72+6.2976+4.17792+4.128768
        =-10.2+6.72+6.2976+4.17792+4.128768
        =-3.48+6.2976+4.17792+4.128768
        =2.8176+4.17792+4.128768
        =6.99552+4.128768
        =11.124288

    Answer:-15+6/1.25+10.5/1.25^2+12.3/1.25^3+10.2/1.25^4+12.6/1.25^5=11.124288


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