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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation (20+18.5×0.5+20×4.8)×0.43-2×41.7×0.66 .
    Question type: Mathematical calculation
    Solution:
          (20+18.5×0.5+20×4.8)×0.43-2×41.7×0.66
        =125.25×0.43-2×41.7×0.66
        =53.8575-2×41.7×0.66
        =53.8575-83.4×0.66
        =53.8575-55.044
        =-1.1865
    Answer:(20+18.5×0.5+20×4.8)×0.43-2×41.7×0.66=-1.1865

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