The sum of the positive odd integers less than 200 is subtracted

from the sum of the positive even integers less than or equal to 200.

What is the resulting difference?

from the sum of the positive even integers less than or equal to 200.

What is the resulting difference?

As it stands, that question would take you far too long to find an answer for, so it must have a simplification somewhere.

What can we do to make this quicker to answer?

Or simpler to understand?

How can we change it?

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