Answer:
Explanation:
What are the possible combinations of three-digit numbers that could add up to a four-digit number?
There are many possible combinations of three-digit numbers that can add up to a four-digit number. Here are some examples:
1. 100 + 900 = 1000
2. 200 + 800 = 1000
3. 300 + 700 = 1000
4. 400 + 600 = 1000
5. 500 + 500 = 1000
6. 600 + 400 = 1000
7. 700 + 300 = 1000
8. 800 + 200 = 1000
9. 900 + 100 = 1000
10. 111 + 889 = 1000
11. 222 + 778 = 1000
12. 333 + 667 = 1000
13. 444 + 556 = 1000
14. 555 + 445 = 1000
15. 666 + 334 = 1000
16. 777 + 223 = 1000
17. 888 + 112 = 1000
18. 999 + 001 = 1000
19. 123 + 877 = 1000
20. 234 + 766 = 1000