
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
Calculation Problems

(1) Calculate: $\left(- \frac{1}{4}\right)^{-1}-\left| \sqrt{3}-1\right|+3\tan 30^{\circ}+\left(2017-\pi\right)^{\circ}$.

(2) Simplify first, then evaluate: $\frac{2x^{2}}{x^{2}-2x+1}÷\left( \frac{2x+1}{x+1}+ \frac{1}{x-1}\right)$, where $x=2$.

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