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〖1/1算式〗
    作业：求算式 -2540.8*0.067^5+2940.8*0.067^4-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917 的值.
    题型：数学计算
    解:
          -2540.8*0.067^5+2940.8*0.067^4-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917
        =-2540.8*0.000001350125107+2940.8*0.067^4-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917
        =-2540.8*0.000001350125107+2940.8*0.000020151121-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917
        =-2540.8*0.000001350125107+2940.8*0.000020151121-1331.2*0.000300763+299.21*0.067^2-35.312*0.067+3.2917
        =-2540.8*0.000001350125107+2940.8*0.000020151121-1331.2*0.000300763+299.21*0.004489-35.312*0.067+3.2917
        =-0.00343+2940.8*0.000020151121-1331.2*0.000300763+299.21*0.004489-35.312*0.067+3.2917
        =-0.00343+0.05926-1331.2*0.000300763+299.21*0.004489-35.312*0.067+3.2917
        =-0.00343+0.05926-0.400376+299.21*0.004489-35.312*0.067+3.2917
        =-0.00343+0.05926-0.400376+1.343154-35.312*0.067+3.2917
        =-0.00343+0.05926-0.400376+1.343154-2.365904+3.2917
        =0.05583-0.400376+1.343154-2.365904+3.2917
        =-0.344546+1.343154-2.365904+3.2917
        =0.998608-2.365904+3.2917
        =-1.367296+3.2917
        =1.924404
    答案:-2540.8*0.067^5+2940.8*0.067^4-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917=1.924404

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