Question
Draw any line segment $\overline{\text{PQ}}$. Without measuring $\overline{\text{PQ}}$, construct a copy of $\overline{\text{PQ}}$.
✓
Answer
$1.$Let $\overline{\text{PQ}}$ be the given line segment.
$2.$Adjust the compasses up to the length of $\overline{\text{PQ}}$
$3.$Draw any line $l$ and mark a point $A$ on it.
$4.$Put the pointer on point $A,$ and without changing the setting of compasses, draw an arc to cut the line segment at point $B.$
$\overline{\text{AB}}$ is the required line segment.
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$7\frac{1}{2}-\Big[2\frac{1}{4}\div\Big\{1\frac{1}{4}-\frac{1}{2}\Big(\frac{3}{2}-\overline{\frac{1}{3}-\frac{1}{6}}\Big)\Big\}\Big]$
→$7\frac{1}{2}-\Big[2\frac{1}{4}\div\Big\{1\frac{1}{4}-\frac{1}{2}\Big(\frac{3}{2}-\overline{\frac{1}{3}-\frac{1}{6}}\Big)\Big\}\Big]$
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