Student   ln ex1 ex2
--------------------
025656133  2  96  99
034161927  *  80  91
037482502 -1  77
040540551  2  85  80
300090115  2  88  96
302196761  2  83  94
304004732  2  70
304664428  2  88 100
306069824  2  98  93
306738030  2  83  96
327269809  1  88  91