4 commits

Author	SHA1	Message	Date
juan	94d71d98d9	Add 3.21	2022-09-24 13:53:33 +08:00
juan	4e0691c286	Exercise 3.10 is not complete.	2022-09-22 13:58:49 +08:00
juan	75f158d6be	Add 2nd homework	2022-09-13 17:44:35 +08:00
juan	40e49bc2d4	Add new exercises. 09-12	2022-09-12 16:56:48 +08:00