add praes 2

4 년 전 · 3de0def6c2
--- a/sose2021/tut-ana/prasenz-2.pdf
+++ b/sose2021/tut-ana/prasenz-2.pdf
--- a/sose2021/tut-ana/prasenz-2.xopp
+++ b/sose2021/tut-ana/prasenz-2.xopp