diff --git a/slides/chapter-09.de.md b/slides/chapter-09.de.md
index 17ffee7..cc18962 100644
--- a/slides/chapter-09.de.md
+++ b/slides/chapter-09.de.md
@@ -211,7 +211,12 @@ Formeln setzen
@content
Setzt die folgenden Formeln in der Datei `exercises/maths/math-formulas.tex`.
-
+| Bedeutung | Ergebnis |
+|-----------|----------|
+| Fallbeschleunigung (Deutschland) | $9,81\,\frac{m}{s^2}$ |
+| pq-Formel | $x_{1,2} = - \frac{p}{2} \pm \sqrt{\left(\frac{p}{2}\right)^2 - q}$ |
+| Mitternachtsformel | $x_{1,2} = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$ |
+| Catalansche Zahlen | $C_n = \frac{1}{n+1} {2n \choose n} = \frac{(2n)!}{(n+1)!n!}$ |
@slide(layout=task)
@@ -224,4 +229,8 @@ Formeln setzen
@content
Setzt die folgenden Formeln in der Datei `exercises/maths/math-formulas.tex`.
-
+| Bedeutung | Ergebnis |
+|-----------|----------|
+| Definition der Fakultät | $n! = \prod_{i=1}^{n} i$ |
+| Menge aller ungeraden natürlichen Zahlen | $\{ x \mid x \in \mathbb{N}, \mathrm{ungerade}(x) \}$ |
+| Elimination $\neg\exists x$ | $\neg\exists x . p(x) \Leftrightarrow \forall x . \neg p(x)$ |
diff --git a/slides/chapter-09.en.md b/slides/chapter-09.en.md
index bb7706e..bf38a15 100644
--- a/slides/chapter-09.en.md
+++ b/slides/chapter-09.en.md
@@ -213,7 +213,13 @@ Typesetting mathematics
@content
Code up the following formulas in the file `exercises/maths/math-formulas.tex`.
-
+| Meaning | Result |
+|---------|--------|
+| Gravitational acceleration | $9,81\,\frac{m}{s^2}$ |
+| Formula to solve quadratic equations | $x_{1,2} = - \frac{p}{2} \pm \sqrt{\left(\frac{p}{2}\right)^2 - q}$ |
+| Another formula to solve quadratic equations | $x_{1,2} = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$ |
+| Catalan numbers | $C_n = \frac{1}{n+1} {2n \choose n} = \frac{(2n)!}{(n+1)!n!}$ |
+
@slide(layout=task)
@@ -226,4 +232,8 @@ Typesetting mathematics
@content
Code up the following formulas in the file `exercises/maths/math-formulas.tex`.
-
+| Meaning | Result |
+|---------|--------|
+| Definition of factorial | $n! = \prod_{i=1}^{n} i$ |
+| Set of all odd natural numbers | $\{ x \mid x \in \mathbb{N}, \mathrm{odd}(x) \}$ |
+| Elimination $\neg\exists x$ | $\neg\exists x . p(x) \Leftrightarrow \forall x . \neg p(x)$ |
diff --git a/svg/chapter-09/task-a-crop.svg b/svg/chapter-09/task-a-crop.svg
deleted file mode 100644
index 322865f..0000000
--- a/svg/chapter-09/task-a-crop.svg
+++ /dev/null
@@ -1,755 +0,0 @@
-
-
diff --git a/svg/chapter-09/task-a-orig.svg b/svg/chapter-09/task-a-orig.svg
deleted file mode 100644
index 954a61f..0000000
--- a/svg/chapter-09/task-a-orig.svg
+++ /dev/null
@@ -1,755 +0,0 @@
-
-
diff --git a/svg/chapter-09/task-a.tex b/svg/chapter-09/task-a.tex
deleted file mode 100644
index ad1ee3e..0000000
--- a/svg/chapter-09/task-a.tex
+++ /dev/null
@@ -1,37 +0,0 @@
-\documentclass[a4paper, ngerman]{report}
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage{babel}
-\usepackage{eurosym, tipa, textcomp, textgreek, upgreek}
-\usepackage{amssymb, amsfonts, amsmath, dsfont}
-\usepackage[hidelinks]{hyperref}
-\usepackage{cleveref}
-\usepackage{graphicx}
-\usepackage{longtable, array, tabularx, booktabs, colortbl}
-\usepackage{minted}
-\begin{document}
-\thispagestyle{empty}
-
-\begin{center}
-
-\textbf{Fallbeschleunigung in Deutschland} \\
-(Gravitational acceleration)
-$$9,81\,\frac{m}{s^2}$$ \\
-~ \\
-
-\textbf{pq-Formel} \\
-(Formula to solve quadratic equations)
-$$x_{1,2} = - \frac{p}{2} \pm \sqrt{\left(\frac{p}{2}\right)^2 - q}$$ \\
-~ \\
-
-\textbf{Mitternachtsformel} \\
-(Another formula to solve quadratic equations)
-$$x_{1,2} = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$ \\
-~ \\
-
-\textbf{Catalansche Zahlen} \\
-(Catalan numbers)
-\begin{equation*} C_n = \frac{1}{n+1} {2n \choose n} = \frac{(2n)!}{(n+1)!n!} \end{equation*}
-\end{center}
-
-\end{document}
diff --git a/svg/chapter-09/task-b-crop.svg b/svg/chapter-09/task-b-crop.svg
deleted file mode 100644
index 97e3ea5..0000000
--- a/svg/chapter-09/task-b-crop.svg
+++ /dev/null
@@ -1,544 +0,0 @@
-
-
diff --git a/svg/chapter-09/task-b-orig.svg b/svg/chapter-09/task-b-orig.svg
deleted file mode 100644
index 1d91e52..0000000
--- a/svg/chapter-09/task-b-orig.svg
+++ /dev/null
@@ -1,544 +0,0 @@
-
-
diff --git a/svg/chapter-09/task-b.tex b/svg/chapter-09/task-b.tex
deleted file mode 100644
index 41124c0..0000000
--- a/svg/chapter-09/task-b.tex
+++ /dev/null
@@ -1,32 +0,0 @@
-\documentclass[a4paper, ngerman]{report}
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage{babel}
-\usepackage{eurosym, tipa, textcomp, textgreek, upgreek}
-\usepackage{amssymb, amsfonts, amsmath, dsfont}
-\usepackage[hidelinks]{hyperref}
-\usepackage{cleveref}
-\usepackage{graphicx}
-\usepackage{longtable, array, tabularx, booktabs, colortbl}
-\usepackage{minted}
-\begin{document}
-\thispagestyle{empty}
-
-\begin{center}
-
-\textbf{Definition der Fakultät} \\
-(Definition of factorial)
-$$n! = \prod_{i=1}^{n} i$$ \\
-~ \\
-
-\textbf{Menge aller ungeraden natürlichen Zahlen} \\
-(Set of all odd natural numbers)
-$$\{ x \mid x \in \mathds{N}, \mathrm{ungerade}(x) \}$$
-~ \\
-
-\textbf{Elimination $\neg\exists x$}
-$$\neg\exists x . p(x) \Leftrightarrow \forall x . \neg p(x)$$
-
-\end{center}
-
-\end{document}
\ No newline at end of file