add math example

2025-01-17 15:19:28 -05:00 · 2025-01-17 15:19:28 -05:00 · 735bc21160
commit 735bc21160
parent 6b085feaeb
1 changed files with 5 additions and 0 deletions
--- a/math_example.md
+++ b/math_example.md
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+## math example
+
+```math
+(a+b)^2 = a^2 + b^2 + 2ab
+```