问题
填空题
找规律填数. (1)1,2,4,8,______,32,______; (2)1,4,13,40,______,364,______,…; (3)2
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答案
(1)1,2,4,8,16,32,64;
(2)1,4,13,40,121,364,1093,…;
(3)2
,41 4
,84 9
,169 16
,3216 25
,6425 36
,12836 49
,12849 64
;49 64
故答案为:16,64,121,1093,64
,12836 49
.49 64