diff --git a/ex1/ex_1.pdf b/ex1/ex_1.pdf
new file mode 100644
index 0000000..6264975
Binary files /dev/null and b/ex1/ex_1.pdf differ
diff --git a/ex2/ex_2.pdf b/ex2/ex_2.pdf
new file mode 100644
index 0000000..3571518
Binary files /dev/null and b/ex2/ex_2.pdf differ
diff --git a/ex2/ex_2_solutions.pdf b/ex2/ex_2_solutions.pdf
new file mode 100644
index 0000000..89182d2
Binary files /dev/null and b/ex2/ex_2_solutions.pdf differ