
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, and simplify where possible.  
 3 $$\frac {13}{15}$$ - 2 $$\frac {13}{14}$$ + 5 $$\frac {2}{15}$$ - 1 $$\frac {1}{14}$$  
   $$\frac {1}{9}$$ ÷ \[2 ÷ ( $$\frac {3}{4}$$ - $$\frac {2}{3}$$)\]  
99 × 78.6 + 786 × 0.3 - 7.86 × 20  
 $$2015 ÷ 2015 \frac {2015}{2016}$$．

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