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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation 25*3600^4+(4634/6)*(3600-1200)^3+(2910/6)*(3600-2400)^3-(2510/3)*3600^3-25*(3600-2400)^4 .
    Question type: Mathematical calculation
    Solution:
          25*3600^4+(4634/6)*(3600-1200)^3+(2910/6)*(3600-2400)^3-(2510/3)*3600^3-25*(3600-2400)^4
        =25*3600^4+772.333333*(3600-1200)^3+(2910/6)*(3600-2400)^3-(2510/3)*3600^3-25*(3600-2400)^4
        =25*3600^4+772.333333*2400^3+(2910/6)*(3600-2400)^3-(2510/3)*3600^3-25*(3600-2400)^4
        =25*3600^4+772.333333*2400^3+485*(3600-2400)^3-(2510/3)*3600^3-25*(3600-2400)^4
        =25*3600^4+772.333333*2400^3+485*1200^3-(2510/3)*3600^3-25*(3600-2400)^4
        =25*3600^4+772.333333*2400^3+485*1200^3-836.666667*3600^3-25*(3600-2400)^4
        =25*3600^4+772.333333*2400^3+485*1200^3-836.666667*3600^3-25*1200^4
        =25*167961600000000+772.333333*2400^3+485*1200^3-836.666667*3600^3-25*1200^4
        =25*167961600000000+772.333333*13824000000+485*1200^3-836.666667*3600^3-25*1200^4
        =25*167961600000000+772.333333*13824000000+485*1728000000-836.666667*3600^3-25*1200^4
        =25*167961600000000+772.333333*13824000000+485*1728000000-836.666667*46656000000-25*1200^4
        =25*167961600000000+772.333333*13824000000+485*1728000000-836.666667*46656000000-25*2073600000000
        =4199040000000000+772.333333*13824000000+485*1728000000-836.666667*46656000000-25*2073600000000
        =4199040000000000+10676735995392+485*1728000000-836.666667*46656000000-25*2073600000000
        =4199040000000000+10676735995392+838080000000-836.666667*46656000000-25*2073600000000
        =4199040000000000+10676735995392+838080000000-39035520015552-25*2073600000000
        =4199040000000000+10676735995392+838080000000-39035520015552-51840000000000
        =4209716735995392+838080000000-39035520015552-51840000000000
        =4210554815995392-39035520015552-51840000000000
        =4171519295979840-51840000000000
        =4119679295979840

    Answer:25*3600^4+(4634/6)*(3600-1200)^3+(2910/6)*(3600-2400)^3-(2510/3)*3600^3-25*(3600-2400)^4=4119679295979840


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