Answer:
1. 400 ÷ 4 = 100
2. 320 ÷ 4 = 80
3. 360 ÷ 9 = 40
4. 5000 ÷ 5 = 1000
5. 3000 ÷ 5 = 600
1:100
2:80
3:40
4:1000
5:600
Step-by-step explanation:
7/10
-6, 6
-6+6=0