22 31 = 22 (30 + 1) = 22 30 + 22 1 = 660 + 22 = 68261 14 = 61 (10 + 4) = 61 10 + 61 4 = 610 + 244 = 854121 12 = 121 (10 + 2) = 121 10 + 121 2 = 1210 + 242 = 1452102 38 = 102 (40 - 2) = 102 40 - 102 2 = 4080 - 204 = 3876998 275 = 998 (300 - 25) = 998 300 - 998 25 = 299400 - 24950 = 2744503 29 = 29 25 = 29 (20 + 5) = 29 20 + 29 5 = 580 + 145 = 7258 20 = 8 (20 + 0) = 8 20 + 8 0 = 160 + 0 = 16017 199 = 17 (200 - 1) = 17 200 - 17 1 = 3400 - 17 = 33831002 43 = 1002 (40 + 3) = 1002 40 + 1002 * 3 = 40080 + 3006 = 43086
22 31 = 22 (30 + 1) = 22 30 + 22 1 = 660 + 22 = 682
61 14 = 61 (10 + 4) = 61 10 + 61 4 = 610 + 244 = 854
121 12 = 121 (10 + 2) = 121 10 + 121 2 = 1210 + 242 = 1452
102 38 = 102 (40 - 2) = 102 40 - 102 2 = 4080 - 204 = 3876
998 275 = 998 (300 - 25) = 998 300 - 998 25 = 299400 - 24950 = 274450
3 29 = 29 25 = 29 (20 + 5) = 29 20 + 29 5 = 580 + 145 = 725
8 20 = 8 (20 + 0) = 8 20 + 8 0 = 160 + 0 = 160
17 199 = 17 (200 - 1) = 17 200 - 17 1 = 3400 - 17 = 3383
1002 43 = 1002 (40 + 3) = 1002 40 + 1002 * 3 = 40080 + 3006 = 43086