Реши устно и заполни пропуски 2870-50\implies +\,180\implies :20\implies +\,850\implies . 700+1800\implies :250\implies +\,25\implies \cdot\,8\implies . 2400:600\implies \cdot\,310\implies -\,130\implies +\,880\implies .

Задание

Реши устно и заполни пропуски

\(2870-50\implies\) [ ] \(+\,180\implies\) [ ] \(:20\implies\) [ ] \(+\,850\implies\) [ ].
\(700+1800\implies\) [ ] \(:250\implies\) [ ] \(+\,25\implies\) [ ] \(\cdot\,8\implies\) [ ].
\(2400:600\implies\) [ ] \(\cdot\,310\implies\) [ ] \(-\,130\implies\) [ ] \(+\,880\implies\) [ ].