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+---
+layout: post
+title: Mathjax Test
+subtitle: My first mathjax expression
+categories: markdown
+tags: [test]
+---
+
+* A safe integer is an integer that
+  * can be exactly represented as an IEEE-754 double precision number, and
+  * whose IEEE-75 representation cannot be the result of rounding any other integer to fit the IEEE-754 representation
+* For example, $ 2 ^ {53} - 1 $ is a safe integer,
+  * it can be exactly represented