4插值法 .......\1 .......\.\Chazhi41.class .......\.\Chazhi41.java .......\.\Chazhi41.java.bak .......\.\result.txt .......\2 .......\.\Chazhi42.class .......\.\Chazhi42.java .......\.\result.txt .......\3 .......\.\Niufront43.class .......\.\Niufront43.java .......\.\result.txt