Solutions to the sheets should be handed in until Friday 14.00 into box 57 and will be returned in the next session.
| Hand in until | Comment | Solution | |
| Zettel 1 Sheet 1 | Thursday, 31st Oct., 2019 | Ex. 1.3: corrected typo in def. of a_m Ex. 1.4: hint changed | Lösung 1 Solution 1 |
| Sheet 2 | Friday, 8th Nov., 2019 | Ex. 2.4: Corrected the domain | Solution 2 |
| Sheet 3 | Friday, 15th Nov., 2019 | Solution 3 | |
| Sheet 4 | Friday, 22th Nov., 2019 | Ex. 4.1: Added a hint. | Solution 4 |
| Sheet 5 | Friday, 6th Dec., 2019 | Ex 5.3: Changed the exercise due to a mistake. | Solution 5 |
| Sheet 6 | Friday, 20th Dec., 2019 | Solution 6 | |
| Sheet 7 | Friday, 17th Jan., 2020 | Solution 7 | |
| Sheet 8 | Friday, 24th Jan., 2020 | Solution 8 |