$16-1016-10$

Subtrahiere von rechts nach links. Subtrahiere zuerst die Einerstelle: $6-0=06-0=0$.

$\begin{array}{c}16\\ \underset{‾}{-10}\\ 6\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;\backslash ;1\backslash ;6\backslash \backslash \backslash underline\{-\backslash ;1\backslash ;0\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;6\backslash end\{array\}$

Subtrahiere nun die Zehnerstelle: $1-1=01-1=0$.

$17-1417-14$

Subtrahiere von rechts nach links. Subtrahiere zuerst die Einerstelle: $7-4=37-4=3$.

$\begin{array}{c}17\\ \underset{‾}{-14}\\ 3\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;\backslash ;1\backslash ;7\backslash \backslash \backslash underline\{-\backslash ;1\backslash ;4\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;3\backslash end\{array\}$

Subtrahiere nun die Zehnerstelle: $1-1=01-1=0$.

$25-2225-22$

Subtrahiere von rechts nach links. Subtrahiere zuerst die Einerstelle: $5-2=35-2=3$.

$\begin{array}{c}25\\ \underset{‾}{-22}\\ 3\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;\backslash ;2\backslash ;5\backslash \backslash \backslash underline\{-\backslash ;2\backslash ;2\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;3\backslash end\{array\}$

Subtrahiere nun die Zehnerstelle: $2-2=02-2=0$.

Das Ergebnis ist also $33$.

$47-4247-42$

Subtrahiere von links nach rechts. Subtrahiere zuerst die Einerstelle: $7-2=57-2=5$.

$\begin{array}{c}47\\ \underset{‾}{-42}\\ 5\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;\backslash ;4\backslash ;7\backslash \backslash \backslash underline\{-\backslash ;4\backslash ;2\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;5\backslash end\{array\}$

Subtrahiere nun die Zehnerstelle: $4-4=04-4=0$.

$57-5657-56$

Subtrahiere von rechts nach links. Subtrahiere zuerst die Einerstelle: $7-6=17-6=1$.

$\begin{array}{c}57\\ \underset{‾}{-56}\\ 1\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;\backslash ;5\backslash ;7\backslash \backslash \backslash underline\{-\backslash ;5\backslash ;6\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;1\backslash end\{array\}$

Subtrahiere nun die Zehnerstelle: $5-5=05-5=0$.

$89-8189-81$

Subtrahiere von rechts nach links. Subtrahiere zuerst die Einerstelle: $9-1=89-1=8$.

$\begin{array}{c}89\\ \underset{‾}{-81}\\ 8\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;\backslash ;8\backslash ;9\backslash \backslash \backslash underline\{-\backslash ;8\backslash ;1\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;8\backslash end\{array\}$

Subtrahiere nun die Zehnerstelle: $8-8=08-8=0$.

Subtraktion

$78-7378-73$

Subtrahiere von rechts nach links. Subtrahiere zuerst die Einertstelle: $8-3=58-3=5$.

$\begin{array}{c}78\\ \underset{‾}{-73}\\ 5\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;\backslash ;7\backslash ;8\backslash \backslash \backslash underline\{-\backslash ;7\backslash ;3\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;5\backslash end\{array\}$

Subtrahiere nun die Zehnerstelle: $7-7=07-7=0$.

Das Ergebnis ist also $55$.