摘要：
package pers.weineel.quadratic; import java.util.Scanner; /** * Created by weineeL on 2016/10/9. */public class Counter { public double doCount(double 阅读全文
摘要：
package pers.weineel.quadratic; import java.util.Random; /** * Created by weineeL on 2016/10/9. */public class Quadratic { private int a; private int 阅读全文