Условие:

Выполни действия и сделай проверку.
16203 + 84918;
80100 − 1896;
2632 * 370;
26320 * 37;
314280 : 970;
31428 : 97.

$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}16203\\ 84918\end{array}}\\ \begin{array}{r}101121\end{array}\end{array}$
Проверка:
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}101121\\ 84918\end{array}}\\ \begin{array}{r}16203\end{array}\end{array}$
 
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}80100\\ 1896\end{array}}\\ \begin{array}{r}78204\end{array}\end{array}$
Проверка:
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}78204\\ 1896\end{array}}\\ \begin{array}{r}80100\end{array}\end{array}$
 
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}2632\\ 370\end{array}}\\ 0\\ 18424\phantom{0}\\ 7896\phantom{00}\\ \overline{973840}\end{array}$
Проверка:
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}973840\\ \phantom{0}\underset{¯}{740}\\ \underset{¯}{\phantom{0}}2338\\ \phantom{0}\underset{¯}{2220}\\ \phantom{0}\underset{¯}{\phantom{0}}1184\\ \phantom{00}\underset{¯}{1110}\\ \phantom{000}\underset{¯}{\phantom{0}}740\\ \phantom{0000}\underset{¯}{740}\\ \phantom{000000}0\end{array}& \begin{array}{l}\overline{)370}\\ \overline{\overline{)2632}}\end{array}\end{array}$
 
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}26320\\ 37\end{array}}\\ 184240\\ 78960\phantom{0}\\ \overline{973840}\end{array}$
Проверка:
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}973840\\ \phantom{0}\underset{¯}{74}\\ \underset{¯}{\phantom{0}}233\\ \phantom{0}\underset{¯}{222}\\ \phantom{0}\underset{¯}{\phantom{0}}118\\ \phantom{00}\underset{¯}{111}\\ \phantom{000}\underset{¯}{\phantom{0}}74\\ \phantom{0000}\underset{¯}{74}\\ \phantom{00000}\underset{¯}{\phantom{0}}0\\ \phantom{000000}\underset{¯}{0}\\ \phantom{000000}0\end{array}& \begin{array}{l}\overline{)37}\\ \overline{\overline{)26320}}\end{array}\end{array}$
 
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}314280\\ \phantom{0}\underset{¯}{2910}\\ \phantom{0}\underset{¯}{\phantom{0}}2328\\ \phantom{00}\underset{¯}{1940}\\ \phantom{00}\underset{¯}{\phantom{0}}3880\\ \phantom{000}\underset{¯}{3880}\\ \phantom{000000}0\end{array}& \begin{array}{l}\overline{)970}\\ \overline{\overline{)324}}\end{array}\end{array}$
Проверка:
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}324\\ 970\end{array}}\\ 0\\ 2268\phantom{0}\\ 2916\phantom{00}\\ \overline{314280}\end{array}$
 
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}31428\\ \phantom{0}\underset{¯}{291}\\ \phantom{0}\underset{¯}{\phantom{0}}232\\ \phantom{00}\underset{¯}{194}\\ \phantom{00}\underset{¯}{\phantom{0}}388\\ \phantom{000}\underset{¯}{388}\\ \phantom{00000}0\end{array}& \begin{array}{l}\overline{)97}\\ \overline{\overline{)324}}\end{array}\end{array}$
Проверка:
$\begin{array}{r}\times \underset{¯}{\begin{array}{r}324\\ 97\end{array}}\\ 2268\\ 2916\phantom{0}\\ \overline{31428}\end{array}$