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A math problem about real numbers in the second day of junior high school
Let the original length be a and the original width be b.

Because it is square after being changed,

A- root 3 = b+ root 3

Can be listed according to the equal relationship.

2ab = the square root of 3

You can find a value of b.

Come up with the answer yourself.

It's not very good. Please forgive me.