145 21 = (100 + 40 + 5) 21 = 100 21 + 40 21 + 5 * 21 = 2100 + 840 + 105 = 3045
105 11 = (100 + 5) 11 = 100 11 + 5 11 = 1100 + 55 = 1155
99 25 = (100 - 1) 25 = 100 * 25 - 25 = 2500 - 25 = 2475
Итак, 145 21 = 3045, 105 11 = 1155, 99 * 25 = 2475.
145 21 = (100 + 40 + 5) 21 = 100 21 + 40 21 + 5 * 21 = 2100 + 840 + 105 = 3045
105 11 = (100 + 5) 11 = 100 11 + 5 11 = 1100 + 55 = 1155
99 25 = (100 - 1) 25 = 100 * 25 - 25 = 2500 - 25 = 2475
Итак, 145 21 = 3045, 105 11 = 1155, 99 * 25 = 2475.