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[1/1 Formula]
    Work: Calculate the value of equation (78.67+36.00)×1×3.1%+90.00×1×0.5×3.1% .
    Question type: Mathematical calculation
    Solution:
          (78.67+36.00)×1×3.1%+90.00×1×0.5×3.1%
        =114.67×1×3.1%+90.00×1×0.5×3.1%
        =114.67×1×0.031+90.00×1×0.5×3.1%
        =114.67×1×0.031+90.00×1×0.5×0.031
        =114.67×0.031+90×1×0.5×0.031
        =3.55477+90×1×0.5×0.031
        =3.55477+90×0.5×0.031
        =3.55477+45×0.031
        =3.55477+1.395
        =4.94977
    Answer:(78.67+36.00)×1×3.1%+90.00×1×0.5×3.1%=4.94977

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