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Mathematical calculation:
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    Current location:Mathematical operation > History of Mathematical Computation > Answer
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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation 0.97×3.37/(8.9-1)*(3.33×(1-1)+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1))) .
    Question type: Mathematical calculation
    Solution:
          0.97×3.37/(8.9-1)*(3.33×(1-1)+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
        =0.97×3.37/7.9*(3.33×(1-1)+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
        =0.97×3.37/7.9*(3.33×0+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
        =0.97×3.37/7.9*(3.33×0+3.33/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
        =0.97×3.37/7.9*(3.33×0+3.33/0.28*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
        =0.97×3.37/7.9*(3.33×0+3.33/0.28*(1-1/8.9^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
        =0.97×3.37/7.9*(3.33×0+3.33/0.28*(1-1/8.9^0.28)-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
        =0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))
        =0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/0.38*(1-1/(8.9)^(1.38-1)))
        =0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/0.38*(1-1/8.9^(1.38-1)))
        =0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/0.38*(1-1/8.9^0.38))
        =0.97×3.37/7.9*(3.33×0+3.33/0.28*0.457786-1/0.38*0.564256)
        =0.97×3.37/7.9*3.959499
        =3.2689/7.9*3.959499
        =0.413785*3.959499
        =1.638381

    Answer:0.97×3.37/(8.9-1)*(3.33×(1-1)+(3.33×1)/(1.28-1)*(1-1/(8.9)^(1.28-1))-1/(1.38-1)*(1-1/(8.9)^(1.38-1)))=1.638381


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