
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
(The full score for this question is 12 points) For the binomial $(1-x)^{10}$, find:

(1) Which term is the middle term in the expanded form? Write down this term.

(2) Find the sum of the absolute values of the coefficients of all terms in the expanded form.

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