a)

Dodajemy sposobem pisemnym:

$\begin{array}{r}\stackrel{1}{3}75\\ \underline{+543}\\ 918\end{array}$

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Dodajemy sposobem pisemnym:

$\begin{array}{r}\stackrel{1}{1}\stackrel{1}{2}40\\ \underline{+975}\\ 2215\end{array}$

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b)

Dodajemy sposobem pisemnym:

$\begin{array}{r}\stackrel{1}{3}8\stackrel{1}{2}\stackrel{1}{5}9\\ \underline{+98589}\\ 136848\end{array}$

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Dodajemy sposobem pisemnym:

$\begin{array}{r}4\stackrel{1}{2}\stackrel{1}{9}\stackrel{1}{9}9\\ \underline{+86163}\\ 129162\end{array}$

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c)

Odejmujemy sposobem pisemnym:

$\begin{array}{r}1897\\ \underline{-523}\\ 1374\end{array}$

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Odejmujemy sposobem pisemnym:

$\begin{array}{r}2\stackrel{2}{3}\stackrel{14}{4}\\ \underline{-119}\\ 115\end{array}$

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d)

Odejmujemy sposobem pisemnym:

$\begin{array}{r}\stackrel{4}{5}\stackrel{9}{0}\stackrel{9}{0}\stackrel{12}{2}\\ \underline{-4578}\\ 424\end{array}$

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Odejmujemy sposobem pisemnym:

$\begin{array}{r}\stackrel{2}{3}\stackrel{13}{4}\stackrel{11}{2}\stackrel{11}{1}\\ \underline{-2986}\\ 435\end{array}$