diff --git a/README.md b/README.md
index 8c9df58..2369478 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,6 @@
 36 / 2 = 18
 6 / 5 = 1
 78 + 23 = 101
-72 - 30 = 42
 46 * 21 = 966
 84 - 14 = 70
 14 * 2 = 28