а)12 = 10 + 220 = 10 + 1093 = 90 + 3576 = 500 + 70 + 62601 = 2000 + 600 + 13462 = 3000 + 400 + 60 + 26830 = 6000 + 800 + 30
а)
12 = 10 + 2
20 = 10 + 10
93 = 90 + 3
576 = 500 + 70 + 6
2601 = 2000 + 600 + 1
3462 = 3000 + 400 + 60 + 2
6830 = 6000 + 800 + 30