Overview: 2 questions will be solved this time.Among them
           ☆1 equations
           ☆1 integer calculations

[ 1/2 Equation]
    Work: Find the solution of equation x = √62178091 .
    Question type: Equation
    Solution:
    
        x≈7885.308555 , keep 6 decimal places    
    There are 1 solution(s).

解一元一次方程的详细方法请参阅：《一元一次方程的解法》
[2/2 Formula]
    Work: Calculate the value of equation √437500 .
    Question type: Mathematical calculation
    Solution:
          √437500
        =661.437828
    Answer:√437500=661.437828

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