add ana tut and theo sheet xopps

pirms 5 gadiem · addd2f84d9
--- a/ws2020/theo/uebungen/theo2-a2.xopp
+++ b/ws2020/theo/uebungen/theo2-a2.xopp
--- a/ws2020/tut-ana/loesungen2.xopp
+++ b/ws2020/tut-ana/loesungen2.xopp
--- a/ws2020/tut-ana/praesenzaufgaben2.xopp
+++ b/ws2020/tut-ana/praesenzaufgaben2.xopp