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           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation 17300/(1+r)+16200/(1+r)^2+13800/(1+r)^3+7600/(1+r)^4-37500 = 0 .
    Question type: Equation
    Solution:
    The solution of the equation:
        r₁≈-1.508160 , keep 6 decimal places
        r₂≈0.197119 , keep 6 decimal places    
    There are 2 solution(s).

解程的详细方法请参阅：《方程的解法》

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