问题
填空题
按规律填空. (1)1,3,5,7,9,______; (2)2,5,8,11,14,______; (3)1
(4)2
(5)9,11,9,12,9,______; (6)2,6,15,31,56,______. |
答案
(1)1,3,5,7,9,11;
(2)2,5,8,11,14,17;
(3)1
,21 2
,31 3
,41 4
,51 5
;1 6
(4)2
,31 4
,41 9
,51 16
,61 25
;1 36
(5)9,11,9,12,9,13;
(6)2,6,15,31,56,92.
故答案为:11; 17;5
;61 6
;13;92.1 36