You can find solution to the exam here
The final grade will be calculated as follows. First, the
best 5 out of 7 exercises will be chosen and their average will be
calculated. Let t denote their average and let e denote the exam grade.
Then, the final grade will be max{0.7 e + 0.3 t , e}.
You must submit at least 5 exercises in order to get a final grade.
One of them must be either ex3 or ex7.
Exercise 7 is on the web ...
The deadline for Ex. 7 is 20.02.2005 .
You have plenty of time, so there will be no extensions.
The "points per late submission" policy is also not relevant for this
exercise.
Good Luck !!!
You can find solutions to ex1 and ex2
here
The solution for ex6 is
here