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           ☆算术计算1题

〖1/1算式〗
    作业：求算式 1154570×(0.449)^4-454603×(0.449)^5-1171330×0.449^3+593354×0.449^2-150081×0.449+15163.86 的值.
    题型：数学计算
    解:
          1154570×(0.449)^4-454603×(0.449)^5-1171330×0.449^3+593354×0.449^2-150081×0.449+15163.86
        =1154570×0.449^4-454603×(0.449)^5-1171330×0.449^3+593354×0.449^2-150081×0.449+15163.86
        =1154570×0.449^4-454603×0.449^5-1171330×0.449^3+593354×0.449^2-150081×0.449+15163.86
        =1154570×0.040642963201-454603×0.449^5-1171330×0.449^3+593354×0.449^2-150081×0.449+15163.86
        =1154570×0.040642963201-454603×0.018248690477249-1171330×0.449^3+593354×0.449^2-150081×0.449+15163.86
        =1154570×0.040642963201-454603×0.018248690477249-1171330×0.090518849+593354×0.449^2-150081×0.449+15163.86
        =1154570×0.040642963201-454603×0.018248690477249-1171330×0.090518849+593354×0.201601-150081×0.449+15163.86
        =46925.146023-454603×0.018248690477249-1171330×0.090518849+593354×0.201601-150081×0.449+15163.86
        =46925.146023-8295.909437-1171330×0.090518849+593354×0.201601-150081×0.449+15163.86
        =46925.146023-8295.909437-106027.443399+593354×0.201601-150081×0.449+15163.86
        =46925.146023-8295.909437-106027.443399+119620.759754-150081×0.449+15163.86
        =46925.146023-8295.909437-106027.443399+119620.759754-67386.369+15163.86
        =38629.236586-106027.443399+119620.759754-67386.369+15163.86
        =-67398.206813+119620.759754-67386.369+15163.86
        =52222.552941-67386.369+15163.86
        =-15163.816059+15163.86
        =0.043941
    答案:1154570×(0.449)^4-454603×(0.449)^5-1171330×0.449^3+593354×0.449^2-150081×0.449+15163.86=0.043941

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