Реши устно и заполни пропуски

1. \(108:18\rightarrow\) [ ] \(+\,14\rightarrow\) [ ] \(\cdot\,15\rightarrow\) [ ] \(-\,105\rightarrow\) [ ].
2. \(16\cdot 60\rightarrow\) [ ] \(-\,200\rightarrow\) [ ] \(:8\rightarrow\) [ ] \(+\,186\rightarrow\) [ ].
3. \(116+184\rightarrow\) [ ] \(\cdot\,8\rightarrow\) [ ] \(+\,2600\rightarrow\) [ ] \(:500\rightarrow\) [ ].