import java.util.Scanner;

public class NumsPlus {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner in = new Scanner(System.in);
System.out.println("请输入一个数");
int number = in.nextInt();
System.out.println("请输入加几次");
int count = in.nextInt();
long sum = 0;
String plusStr = "";
for(int i = 1; i <= count; i++) {
if(i == 1) {
sum += number;
plusStr += number + "+";
}
else {
String str = "";
for(int j = 1; j <= i; j++) {
str += number;
}
sum += Long.parseLong(str);
plusStr += str + "+";
}
}
plusStr = plusStr.substring(0, plusStr.length() - 1);
System.out.println(plusStr + "=" + sum);
}
}

你这代码太多太复杂