Question

Cate numere scrise cu 4 cifre incep cu 12, dar nu se termina cu 21?

Answer 1

1201,1202,1203,1204,1205,1206,1207,1208,1209,1210,1211,1212,1213,1214,1215,1216,1217,1218,1219,1220,1221,1222,1223,1224,1225,1225,1226,1227,1228,1229,1230,1231,1232,1233,1234,1235,1236,1237,1238,1239,1240...1299 1221,1121,1021,1321,1421,1521,1621,1721,1821,1921. La ... Pui tu celelalte numere