<esercizio md5="b191cf1e59233795dcdb270a8d2bda80">demorgan3.xml</esercizio>\r
<esercizio md5="4e31b527b1c238a6a3f7d5f5e7608894">ex1-2.xml</esercizio>\r
<esercizio md5="07e382ab230a1b2e9618e32c71855dab">ex1-4.xml</esercizio>\r
+ <esercizio md5="be96cc0386642dc13efe4436aff3fa7b">ex2-2.xml</esercizio>\r
+ <esercizio md5="85734cdf9de7a861fb935f048d444325">ex2-1.xml</esercizio>\r
+ <esercizio md5="f6b706d7b70607ee6f94ac34c4f9d067">ex2-5.xml</esercizio>\r
+ <esercizio md5="b39771c44d17cd74363026bbbc663297">ex2-3.xml</esercizio>\r
+ <esercizio md5="c36dbcd1c5d4530220440e4a74fc2c50">ex2-4.xml</esercizio>\r
+ <esercizio md5="8155df7a6c7da04ea8befd4bcb2d449e">ex2-7.xml</esercizio>\r
</esercizi>\r