cube root sum

 Could you please clarify what you mean by "cube root sum"?

Here are a few possibilities:

1. Sum of cube roots
   Example:
   $\sqrt[3]{8} + \sqrt[3]{27} = 2 + 3 = 5$

2. Cube root of a sum
   Example:
   $\sqrt[3]{8 + 27} = \sqrt[3]{35} \approx 3.27$

3. A math problem you're working on involving cube roots
   If you have a specific expression or numbers, please share it.

Let me know which one you mean or paste the exact problem!