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package calculator;
import java.util.Scanner;
import java.lang.Math;
public class ex {
public ex(){
Scanner input= new Scanner(System.in);
System.out.print("请输入数字x：");
int x=input.nextInt();
double e=Math.E;
double n=Math.pow(e, x);
System.out.printf("结果为%.9f\n",n);
}
