### Условие задания:

1 Б.
Саша, Катя и Лена решая один пример, получили разные результаты.

Рассмотри решения ребят.

 Саша: $\begin{array}{l}\begin{array}{cc}\begin{array}{l}{}_{-}889\phantom{\rule{0.735em}{0ex}}\\ \phantom{\rule{0.588em}{0ex}}\underset{¯}{84}\end{array}& \left|\begin{array}{l}\underset{¯}{12}\\ 704\end{array}\right\end{array}\\ \phantom{\rule{0.735em}{0ex}}{}_{-}49\\ \phantom{\rule{1.470em}{0ex}}\underset{¯}{48}\\ \phantom{\rule{2.058em}{0ex}}1\end{array}$ Катя : $\begin{array}{l}\begin{array}{cc}\begin{array}{l}{}_{-}889\phantom{\rule{0.735em}{0ex}}\\ \phantom{\rule{0.588em}{0ex}}\underset{¯}{84}\end{array}& \left|\begin{array}{l}\underset{¯}{12}\\ 73\end{array}\right\end{array}\\ \phantom{\rule{0.735em}{0ex}}{}_{-}49\\ \phantom{\rule{1.470em}{0ex}}\underset{¯}{36}\\ \phantom{\rule{1.470em}{0ex}}13\end{array}$ Лена : $\begin{array}{l}\begin{array}{cc}\begin{array}{l}{}_{-}889\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\\ \phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\underset{¯}{84}\end{array}& \left|\begin{array}{l}\underset{¯}{12}\\ 74\end{array}\right\end{array}\\ \phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}{}_{-}49\\ \phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\underset{¯}{48}\\ \phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}1\end{array}$

Кто прав?

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