7 000 - 2 999=4001
12 000 - 999=11001
14 500 - 499=14001
2 500 + 1 490=3990
3 600 + 398=3998
11 000 + 296=11296
4 999 + 1 200=6199
3 299 + 467=3766
21 999 + 560=22559
7 000 - 2 999=4001
12 000 - 999=11001
14 500 - 499=14001
2 500 + 1 490=3990
3 600 + 398=3998
11 000 + 296=11296
4 999 + 1 200=6199
3 299 + 467=3766
21 999 + 560=22559