diff --git a/README.md b/README.md
index f4dc028..d65763c 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,6 @@
 55 / 10 = 5
 11 - 48 = -37
 38 + 93 = 131
-10 - 49 = -39
 29 - 5 = 24
 59 / 2 = 29
 28 - 56 = -28