Tag 7 division

Here are 7 division problems:

1. 12 ÷ 3 =?
2. 48 ÷ 6 =?
3. 21 ÷ 3 =?
4. 90 ÷ 10 =?
5. 15 ÷ 5 =?
6. 36 ÷ 4 =?
7. 72 ÷ 9 =?