1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 

 1.1 

 1.2 

 1.2 

 9.1 

 9.2 

 9.3 

 9.4 

 9.5 

 9.6 

 9.7 

 9.8 

 9.9 

 9..8 

 .9.9 

 9.9. 

 9.9.9. 

 .9.9. 

 9.9.9 

 .999. 

 测1 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8