diff --git a/UC0525_2_A_GE.pdf b/UC0525_2_A_GE.pdf
new file mode 100644
index 0000000..50f4c40
Binary files /dev/null and b/UC0525_2_A_GE.pdf differ
diff --git a/UC0531_2_A_GE.pdf b/UC0531_2_A_GE.pdf
new file mode 100644
index 0000000..0b40d16
Binary files /dev/null and b/UC0531_2_A_GE.pdf differ
diff --git a/UC0532_2_A_GE.pdf b/UC0532_2_A_GE.pdf
new file mode 100644
index 0000000..242789d
Binary files /dev/null and b/UC0532_2_A_GE.pdf differ
diff --git a/UC0727_3_A_GE.pdf b/UC0727_3_A_GE.pdf
new file mode 100644
index 0000000..f92a7f6
Binary files /dev/null and b/UC0727_3_A_GE.pdf differ