diff --git a/notes/.obsidian/plugins/obsidian-activity-history/data.json b/notes/.obsidian/plugins/obsidian-activity-history/data.json
index 563f529..7a51a6e 100644
--- a/notes/.obsidian/plugins/obsidian-activity-history/data.json
+++ b/notes/.obsidian/plugins/obsidian-activity-history/data.json
@@ -13,7 +13,7 @@
     {
       "path": "/",
       "date": "2022-10-04",
-      "size": 909606
+      "size": 909694
     }
   ],
   "activityHistory": [
@@ -846,7 +846,7 @@
         },
         {
           "date": "2022-10-04",
-          "value": 421
+          "value": 627
         }
       ]
     }
diff --git a/notes/.obsidian/plugins/various-complements/data.json b/notes/.obsidian/plugins/various-complements/data.json
index 25d22f4..e4295f7 100644
--- a/notes/.obsidian/plugins/various-complements/data.json
+++ b/notes/.obsidian/plugins/various-complements/data.json
@@ -138,6 +138,14 @@
           "lastUpdated": 1664452694456
         }
       }
+    },
+    "16b^3a^{-1}": {
+      "16b^3a^{-1}": {
+        "currentFile": {
+          "count": 1,
+          "lastUpdated": 1664876247262
+        }
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/notes/mat/Příklady 2.md b/notes/mat/Příklady 2.md
index 4f15ab8..13fa455 100644
--- a/notes/mat/Příklady 2.md	
+++ b/notes/mat/Příklady 2.md	
@@ -194,4 +194,10 @@ $x^{3n-5}*6*y^{8n-12}$
 
 $6x^{3n-5}y^{8n-12}$
 
-ignore: $\frac{x^{5n}*216*y^{12*n^3}}{36*y^{16n}*x^{10}}$
+---
+
+$\frac{(16b^3a^{-1})^{-3}}{(a^3b^{-2}*4)^{-2}}$
+
+$\frac1{(16b^3a^{-1})^3}:\frac1{(a^3b^{-2}*4)^2}$
+
+$\frac{(a^3b^{-2}*4)^2}{(16b^3a^{-1})^3}$