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作业 6 / 1000

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Faraam法汉

#1 Created at ... [Delete] [Delete and Lock User]

(作业三)

public class Main {

    public static void main(String[] args) {

        double pi = 0;

        for (double i = 1; i <= 99999999; i = i + 4) {

            pi = pi + ( 1 / i  - 1 / (i + 2));

        }

        pi = pi * 4;

        System.out.println(pi);

    }

}


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