Which way are you going?

Excuse me, who might you be?

Understanding plus or minus is important for this problem.

His efforts and his negligence cancel each other out.

Which electrode of this battery is positive and which is negative?

The battery ran out, and the light stopped working.

The result of this calculation will be minus.

This project has had a negative impact.

It is important to accurately determine the position of the electrode.

What is five plus four in this problem?