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- import java.util.Scanner;
- public class A {
- public static void main(String[] args) {
- Scanner cin = new Scanner(System.in);
- double a = cin.nextDouble();
- double b = cin.nextDouble();
- double c = cin.nextDouble();
- double avg = (a + b + c) / 3;
- System.out.println(String.format("%.3f", avg));
- cin.close();
- }
- }
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