Продолжи ряды

1. \(0, 6, 12, 18,\) [ ] \(,\) [ ] \(,\) [ ].
2. \(0, 8, 16, 24, \) [ ] \(,\) [ ] \(,\) [ ].
3. \(0, 7, 14, 21, \) [ ] \(,\) [ ] \(,\) [ ].