10.9

package homework;
import java.util.Scanner;
public class Test 
　　{
    public static void main(String[] args) 
　　　　{
        int number1 = (int) (System.currentTimeMillis() % 10);                 //从1970年开始到现在这个时刻的毫秒值
        int number2 = (int) (System.currentTimeMillis() / 7 % 10);             //从1970年开始到现在这个时刻的毫秒值
        System.out.println(number1 + "  .   " + number2);
        Scanner scan = new Scanner(System.in);
        System.out.println("what is" + number1 + "+" + number2 + "?");
        int answer = scan.nextInt();
        System.out.println(number1 + "+"+number2 + "=" + answer + "is"+ (number1 + number2 == answer));
        //System.out.println(System.currentTimeMillis());
    　　}
　　}