package com.company;//计算1+1/2!+1/3!+1/4!....前20项public class Main {public static void main(String arg[]) {double sum = 0, item = 1;int i = 1, n = 20;while (i <= n) { sum += item; i++; item = item * (1.0 / i); } System.out.println("sum=" + sum); } }
package com.company;//计算1+1/2!+1/3!+1/4!....前20项public class Main {public static void main(String arg[]) {double sum = 0, item = 1;int i = 1, n = 20;while (i <= n) { sum += item; i++; item = item * (1.0 / i); } System.out.println("sum=" + sum); } }
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