Установи закономерность и найди два числа 15,24,35,48,63.... 9,11,31,33,53.... 1,3,6,8,11,13,16.... 7,9,11,12,15....

1 ,72,81 3,19,22 4 ,17,19

1) 15(3*5), 24, 35(5*7), 48(24*2), 63(7*9), 96(48*2), 99(9*11); 2) 9, 11, 31, 33, 53, 55, 75, 77; 3) 1, 3, 6, 8, 11, 13, 16, 18, 21, 23; 4) 7, 9, 11, 13, 15, 17, 19, 21.