<exercises label="exercises-structured" xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>Exercise Section, Structured</title>
<introduction>
<p>
A collection of exercises, in a top-level <tag>exercises</tag> division, structured with <tag>subexercises</tag>.
</p>
</introduction>
<subexercises>
<title>Easy Exercises</title>
<exercise>
<title>Arithmetic</title>
<statement>
<p>
Compute <m>3+4</m>.
</p>
</statement>
<answer>
<p>
<m>7</m>
</p>
</answer>
</exercise>
<exercise>
<title>Trigonometry</title>
<statement>
<p>
Compute <m>\sin(\pi/4)</m>.
</p>
</statement>
</exercise>
</subexercises> <subexercises xml:id="hard-subexercises">
<title>Hard Problems</title>
<exercise>
<title>Number Theory</title>
<statement>
<p>
Prove Fermat's Last Theorem.
</p>
</statement>
</exercise>
<exercise>
<title>Millenial</title>
<statement>
<p>
Find general solutions to the Navier-Stokes equation.
</p>
</statement>
</exercise>
</subexercises> <subexercises>
<title>With an Exercise Group</title>
<exercisegroup>
<introduction>
<p>
This is an exercise group, and this is its introduction.
</p>
<p>
And a second line for the introduction.
</p>
</introduction>
<exercise>
<title>One</title>
<statement>
<p>
<m>6-5</m>
</p>
</statement>
<hint>
<p>
Subtract.
</p>
</hint>
</exercise>
<exercise>
<title>Two</title>
<statement>
<p>
<m>1+1</m>
</p>
</statement>
</exercise>
<conclusion>
<p>
Here we conclude the group.
</p>
<p>
And a second line for the conclusion.
</p>
</conclusion>
</exercisegroup>
<exercise>
<title>Outside exercisegroup, inside subexercises</title>
<statement>
<p>
6+5
</p>
</statement>
</exercise>
</subexercises> </exercises>
Exercises 41 Exercise Section, Structured
View Source for exercises
A collection of exercises, in a top-level
<exercises> division, structured with <subexercises>.
Easy Exercises
View Source for subexercises
<subexercises xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>Easy Exercises</title>
<exercise>
<title>Arithmetic</title>
<statement>
<p>
Compute <m>3+4</m>.
</p>
</statement>
<answer>
<p>
<m>7</m>
</p>
</answer>
</exercise>
<exercise>
<title>Trigonometry</title>
<statement>
<p>
Compute <m>\sin(\pi/4)</m>.
</p>
</statement>
</exercise>
</subexercises>
1. Arithmetic.
View Source for exercise
<exercise xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>Arithmetic</title>
<statement>
<p>
Compute <m>3+4</m>.
</p>
</statement>
<answer>
<p>
<m>7</m>
</p>
</answer>
</exercise>
Compute \(3+4\text{.}\)
Answer.
View Source for answer
<answer xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<p>
<m>7</m>
</p>
</answer>
\(7\)
2. Trigonometry.
View Source for exercise
<exercise xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>Trigonometry</title>
<statement>
<p>
Compute <m>\sin(\pi/4)</m>.
</p>
</statement>
</exercise>
Compute \(\sin(\pi/4)\text{.}\)
Hard Problems
View Source for subexercises
<subexercises xml:id="hard-subexercises" xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>Hard Problems</title>
<exercise>
<title>Number Theory</title>
<statement>
<p>
Prove Fermat's Last Theorem.
</p>
</statement>
</exercise>
<exercise>
<title>Millenial</title>
<statement>
<p>
Find general solutions to the Navier-Stokes equation.
</p>
</statement>
</exercise>
</subexercises>
3. Number Theory.
View Source for exercise
<exercise xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>Number Theory</title>
<statement>
<p>
Prove Fermat's Last Theorem.
</p>
</statement>
</exercise>
Prove Fermat’s Last Theorem.
4. Millenial.
View Source for exercise
<exercise xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>Millenial</title>
<statement>
<p>
Find general solutions to the Navier-Stokes equation.
</p>
</statement>
</exercise>
Find general solutions to the Navier-Stokes equation.
With an Exercise Group
View Source for subexercises
<subexercises xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>With an Exercise Group</title>
<exercisegroup>
<introduction>
<p>
This is an exercise group, and this is its introduction.
</p>
<p>
And a second line for the introduction.
</p>
</introduction>
<exercise>
<title>One</title>
<statement>
<p>
<m>6-5</m>
</p>
</statement>
<hint>
<p>
Subtract.
</p>
</hint>
</exercise>
<exercise>
<title>Two</title>
<statement>
<p>
<m>1+1</m>
</p>
</statement>
</exercise>
<conclusion>
<p>
Here we conclude the group.
</p>
<p>
And a second line for the conclusion.
</p>
</conclusion>
</exercisegroup>
<exercise>
<title>Outside exercisegroup, inside subexercises</title>
<statement>
<p>
6+5
</p>
</statement>
</exercise>
</subexercises>
Exercise Group.
View Source for exercisegroup
<exercisegroup xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<introduction>
<p>
This is an exercise group, and this is its introduction.
</p>
<p>
And a second line for the introduction.
</p>
</introduction>
<exercise>
<title>One</title>
<statement>
<p>
<m>6-5</m>
</p>
</statement>
<hint>
<p>
Subtract.
</p>
</hint>
</exercise>
<exercise>
<title>Two</title>
<statement>
<p>
<m>1+1</m>
</p>
</statement>
</exercise>
<conclusion>
<p>
Here we conclude the group.
</p>
<p>
And a second line for the conclusion.
</p>
</conclusion>
</exercisegroup>
This is an exercise group, and this is its introduction.
And a second line for the introduction.
5. One.
View Source for exercise
<exercise xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>One</title>
<statement>
<p>
<m>6-5</m>
</p>
</statement>
<hint>
<p>
Subtract.
</p>
</hint>
</exercise>
\(6-5\)
Hint.
View Source for hint
<hint xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<p>
Subtract.
</p>
</hint>
Subtract.
6. Two.
View Source for exercise
<exercise xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>Two</title>
<statement>
<p>
<m>1+1</m>
</p>
</statement>
</exercise>
\(1+1\)
Here we conclude the group.
And a second line for the conclusion.
7. Outside exercisegroup, inside subexercises.
View Source for exercise
<exercise xmlns:pi="http://pretextbook.org/2020/pretext/internal">
<title>Outside exercisegroup, inside subexercises</title>
<statement>
<p>
6+5
</p>
</statement>
</exercise>
6+5
