找规律,填空:(1)______,______,76,70,64,58,52,46;(2)______,66,56,47,39,32,26,21

找规律,填空:(1)______,______,76,70,64,58,52,46;(2)______,66,56,47,39,32,26,21;(3)1,2,2,4,8,32,______;(4)2,6,12,20,30,42,______,72,90.

(1)76+6=82,82+6=88.
数列为88,82,76,70,64,58,52,46.
(2)66+11=77.
数列为:77,66,56,47,39,32,26,21.
(3)32×4=256.
数列为:1,2,2,4,8,32,256.
(4)7×8=56.
数列为:2,6,12,20,30,42,56,72,90.
故答案为:88;82;77;256;56.
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