Updated Lesson23

Updated Lesson22
Updated Lesson21
2020-11-27 20:29:08 +02:00 · 2020-11-27 20:16:26 +02:00 · 2020-11-27 20:13:08 +02:00
--- a/Lesson21/Lesson21.odp
+++ b/Lesson21/Lesson21.odp
--- a/Lesson21/Lesson21.pdf
+++ b/Lesson21/Lesson21.pdf
--- a/Lesson22/Lesson22.odp
+++ b/Lesson22/Lesson22.odp
--- a/Lesson22/Lesson22.pdf
+++ b/Lesson22/Lesson22.pdf
--- a/Lesson23/Lesson23.odp
+++ b/Lesson23/Lesson23.odp
--- a/Lesson23/Lesson23.pdf
+++ b/Lesson23/Lesson23.pdf