
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
Calculate the following expressions:
1. $(1)(x^{4})^{3}+(x^{3})^{4}-2x^{4} \cdot x^{8}$
2. $(-2x^{2}y^{3})^{2}(xy)^{3}$
3. $(-2a)^{6}-(-3a^{3})^{2}+\[-(2a)^{2}\]^{3}$
4. $|- \frac {1}{8}|+(π-3)^{0}+(- \frac {1}{2})^{3}-( \frac {1}{3})^{-2}$

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