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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation (20+18.5×1.5)×0.70-2×15×√0.70 .
    Question type: Mathematical calculation
    Solution:
          (20+18.5×1.5)×0.70-2×15×√0.70
        =47.75×0.70-2×15×√0.70
        =47.75×0.70-2×15×0.83666
        =33.425-2×15×0.83666
        =33.425-30×0.83666
        =33.425-25.0998
        =8.3252
    Answer:(20+18.5×1.5)×0.70-2×15×√0.70=8.3252

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