
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
Given a function $f(x)= \frac{n-2^{x}}{2^{x+1}+m}$ with its domain as $\mathbb{R}$ is an odd function.

(Ⅰ) Find the values of $m$ and $n$;

(Ⅱ) When $x\in\left[\frac{1}{2},3\right]$, $f(kx^{2})+f(2x-1) > 0$ always holds, find the range of the real number $k$.

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