Compute
\[\frac{1990^3 - 1000^3 - 990^3}{(1990)(1000)(990)}.\]
Question:
Compute
\[\frac{1990^3 - 1000^3 - 990^3}{(1990)(1000)(990)}.\]
Answer:
Let's think step by step.

user
3
Compute
\[\frac{1990^3 - 1000^3 - 990^3}{(1990)(1000)(990)}.\]
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