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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation 20*1^6-164*1^5+515*1^4-780*1^3+590*1^2-200*1+39 .
    Question type: Mathematical calculation
    Solution:
          20*1^6-164*1^5+515*1^4-780*1^3+590*1^2-200*1+39
        =20*1-164*1^5+515*1^4-780*1^3+590*1^2-200*1+39
        =20*1-164*1+515*1^4-780*1^3+590*1^2-200*1+39
        =20*1-164*1+515*1-780*1^3+590*1^2-200*1+39
        =20*1-164*1+515*1-780*1+590*1^2-200*1+39
        =20*1-164*1+515*1-780*1+590*1-200*1+39
        =20-164*1+515*1-780*1+590*1-200*1+39
        =20-164+515*1-780*1+590*1-200*1+39
        =20-164+515-780*1+590*1-200*1+39
        =20-164+515-780+590*1-200*1+39
        =20-164+515-780+590-200*1+39
        =20-164+515-780+590-200+39
        =-144+515-780+590-200+39
        =371-780+590-200+39
        =-409+590-200+39
        =181-200+39
        =-19+39
        =20

    Answer:20*1^6-164*1^5+515*1^4-780*1^3+590*1^2-200*1+39=20


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