diff --git a/Lesson10.odp b/Lesson10.odp deleted file mode 100644 index af1724a..0000000 Binary files a/Lesson10.odp and /dev/null differ diff --git a/Lesson12.odp b/Lesson12.odp deleted file mode 100644 index 1a46d7d..0000000 Binary files a/Lesson12.odp and /dev/null differ diff --git a/Lesson13.odp b/Lesson13.odp deleted file mode 100644 index 479f79b..0000000 Binary files a/Lesson13.odp and /dev/null differ diff --git a/Lesson17.odp b/Lesson17.odp deleted file mode 100644 index 8ff66de..0000000 Binary files a/Lesson17.odp and /dev/null differ diff --git a/Lesson18.odp b/Lesson18.odp deleted file mode 100644 index 83af97d..0000000 Binary files a/Lesson18.odp and /dev/null differ diff --git a/Lesson3.odp b/Lesson3.odp deleted file mode 100644 index 69a8b94..0000000 Binary files a/Lesson3.odp and /dev/null differ diff --git a/Lesson4.odp b/Lesson4.odp deleted file mode 100644 index c5e564e..0000000 Binary files a/Lesson4.odp and /dev/null differ diff --git a/Lesson5.odp b/Lesson5.odp deleted file mode 100644 index e45dfe3..0000000 Binary files a/Lesson5.odp and /dev/null differ diff --git a/Lesson6.odp b/Lesson6.odp deleted file mode 100644 index de27b16..0000000 Binary files a/Lesson6.odp and /dev/null differ diff --git a/Lesson7.odp b/Lesson7.odp deleted file mode 100644 index 87eb084..0000000 Binary files a/Lesson7.odp and /dev/null differ diff --git a/Lesson8.odp b/Lesson8.odp deleted file mode 100644 index 9ec4a1e..0000000 Binary files a/Lesson8.odp and /dev/null differ diff --git a/Lesson9.odp b/Lesson9.odp deleted file mode 100644 index 9916a56..0000000 Binary files a/Lesson9.odp and /dev/null differ