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Mathematics
OpenStudy (anonymous):

I have two line segments, AB and CD. The question is: Use AB and CD to construct line segments with the following lengths: 2AB-CD What does this mean?

OpenStudy (mathteacher1729):

It means that you should do two things: 1) make a segment which is twice as long as AB 2) subtract (erase) a segment as long as CD from step (1).

OpenStudy (anonymous):

Thank you!

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