Learning Task 4: Find the pattern and write its expression.
1. 12. 15, 18, 21, 24,
2. 45, 41, 35, 30, 25,
3. 1, 8, 27, 64, 125,
4. 4, 8, 12, 16,
5. ½, 1, 1 ½, 2, 2 ½, ​