diff --git a/README.md b/README.md
index 8744e2c..e36fdbf 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,6 @@
 72 - 30 = 42
 46 * 21 = 966
 87 + 68 = 155
-100 - 21 = 79
 84 - 14 = 70
 52 / 8 = 6
 14 * 2 = 28