第四周作业：数学学习工具！

import java.util.Scanner;     public class AdditionQuiz{    public static void main(String[] args){     int number1=(int)(System.currentTimeMillis() % 10);     int number2=(int)(System.currentTimeMillis() * 7 % 10);       //Create a Scanner     Scanner input= new Scanner(System.in);        System.out.print(       "What is"+number1+"+"+number2+"?");        int answer=input.nextInt();           System.out.println(       number1+"+"+number2+"="+answer+"is"+       (number1+number2==answer));    }  }