Задание

Реши устно и заполни пропуски

  1. \(1450-60\implies\) [ ] \(+\,110\implies\) [ ] \(:15\implies\) [ ] \(+\,946\implies\) [ ].
  2. \(900+1500\implies\) [ ] \(:120\implies\) [ ] \(+\,45\implies\) [ ] \(\cdot\,6\implies\) [ ].
  3. \(1200:150\implies\) [ ] \(\cdot\,210\implies\) [ ] \(-\,540\implies\) [ ] \(+\,650\implies\) [ ].