Question

ex 17 vă rog mult sa ma ajutați

Answer 1

a) 102, 132, 162, 192, 402, 432, 462, 492, 702, 732, 762, 792, 312, 612, 912, 342, 642, 942, 372, 672, 972


b) 200, 210, 220, 230, 240, 250, 260, 270, 280, 290, 205, 215, 225, 235, 245, 255, 265, 275, 285, 295

c) 1060, 1062, 1064, 1066, 1068, 1160, 1162, 1164, 1166, 1168, 1260, 1262, 1264, 1266, 1268, 1360, 1362, 1364, 1366, 1368, 1460, 1462, 1464, 1466, 1468, 1560, 1562, 1564, 1566, 1568, 1660, 1662, 1664, 1666, 1668, 1760, 1762, 1764, 1766, 1768, 1860, 1862, 1864, 1866, 1868, 1960, 1962, 1964, 1966, 1968 - in total 50

se schimba cifra de ordinul al IV-lea cu 2, 3, 4, 5, 6, 7, 8, 9. 50×9=450