2018/4/11[学了一维数组和多维数组，但是做的是选择的题]

 1 package javatext;
 2 
 3 import java.util.Scanner;
 4 public class P3_3 {
 5 
 6     public static void main(String[] args) {
 7         // TODO Auto-generated method stub
 8         Scanner input = new Scanner(System.in);
 9         System.out.println("Please in input a b c d e f");
10         double a = input.nextDouble();
11         double b = input.nextDouble();
12         double c = input.nextDouble();
13         double d = input.nextDouble();
14         double e = input.nextDouble();
15         double f = input.nextDouble();
16          double x,y;
17          
18         
19         
20         if(a*d-b*c==0)
21             System.out.println("The equation has no solution.");
22         else
23         {
24             
25         x=((e*d)-(b*f))/(a*d-b*c);
26         y=((a*f)-(e*c))/(a*d-b*c);
27         
28             System.out.println("x="+x+",y="+y);
29         }
30         
31