diff --git a/math/Latex.md b/math/Latex.md
index e593b4d4..7b2cb755 100644
--- a/math/Latex.md
+++ b/math/Latex.md
@@ -5,7 +5,19 @@
 ## Test
 ### 1
 ```
+
+$$
 X_t =
+$$
+
+или
+$ X_t =$$
+
 ```
 
+$$
 X_t =
+$$
+
+или
+$ X_t =$$