http://crackman.net/?p=421
The following SAS program is submitted:  
  %let Value=9;
  %let Add=5;
  %let Newval=%eval(&Value/&Add);
  %put &Newval;

What is the value of the macro variable  
newval when the %PUT statement executes?
A.0.555

B.2   

C.1.8

D.1
答案及解答请参见上面的网址。