
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:<br/>$(1)-2.4+3.5-4.6+3.5$;<br/>$(2)\left(-40\right)-\left(-28\right)-\left(-19\right)+\left(-24\right)$;<br/>$(3)(-3)×\frac{5}{6}×(-\frac{4}{5})×(-\frac{1}{4})$;<br/>$(4)(-\frac{5}{7})×(-\frac{4}{3})÷(-2\frac{1}{7})$.

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