
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
Given the following pairs of functions: \\(①f(x)= \sqrt{x^{2}},g(x)=( \sqrt{x})^{2} \\), \\(②f(x)=2x+1,g(x)=2x-1 \\), \\(③f(x)= \sqrt{x+1}· \sqrt{x-1}, g(x)= \sqrt{x^{2}-1} \\), \\(④f(x)=2^{-x},g(x)=( \frac{1}{2})^{x} \\), among them, the pairs that are the same function are ______________ (Write down all the numbers of the functions that meet the requirements).

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