
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Among the following statements: ① For two rational numbers, the larger number has a smaller reciprocal; ② If $|m| = |n|$, then $m = n$; ③ A two-digit number with tens digit $a$ and ones digit $b$ can be represented as $10ab$; ④ $2^{10} - 2^{9} = 2^{9}$. The correct ones are (write down the serial numbers): .

Present the answer in LaTex format: \boxed{Your answer}
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