Mathematics
         
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Mathematical calculation:
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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation (1400000×2/5)/2+(1400000-1400000×2/5)×2/5/2 .
    Question type: Mathematical calculation
    Solution:
          (1400000×2/5)/2+(1400000-1400000×2/5)×2/5/2
        =560000/2+(1400000-1400000×2/5)×2/5/2
        =560000/2+840000×2/5/2
        =280000+840000×2/5/2
        =280000+1680000/5/2
        =280000+336000/2
        =280000+168000
        =448000

    Answer:(1400000×2/5)/2+(1400000-1400000×2/5)×2/5/2=448000


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