diff --git a/README.md b/README.md
index b4c36c9..30822fa 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,6 @@
 8 - 41 = -33
 68 - 37 = 31
 52 / 7 = 7
-81 / 9 = 9
 83 - 24 = 59
 79 * 29 = 2291
 26 / 7 = 3