
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
If a new operation is defined as $mΔn=\frac{m+n}{1+mn}$, then the following conclusions are:①$(-2^{2})\Delta 4=0$; ②$\frac{1}{3}Δ\frac{1}{4}=3Δ4$; ③$\left(-m\right)\Delta n=m\Delta \left(-n\right)$. The correct conclusions are represented by the following numbers: $\_\_\_\_\_\_$.

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