Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation -(x^3+xlnabsx-arctanx)/(ex+e(-x)) = ((-x)^3-xlnabs(-x)-arctan(-x))/(e(-x)+ex) .
    Question type: Equation
    Solution:
    This equation is an identity!

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