
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
Let \\({{(3x-1)}^{7}}={{a}_{0}}+{{a}_{1}}x+{{a}_{2}}{{x}^{2}}+{{a}_{3}}{{x}^{3}}+{{a}_{4}}{{x}^{4}}+{{a}_{5}}{{x}^{5}}+{{a}_{6}}{{x}^{6}}+{{a}_{7}}{{x}^{7}}\\), then \\({{a}_{1}}+{{a}_{3}}+{{a}_{5}}+{{a}_{7}}=\\)____.

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