找规律填数:(1)4,8,16,32,64,( ),256.(2)4,9,16,25,( ),49.(3

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找规律填数:(1)4,8,16,32,64,( ),256.(2)4,9,16,25,( ),49.(3

找规律填数:(1)4,8,16,32,64,( ),256.(2)4,9,16,25,( ),49.(3
找规律填数:(1)4,8,16,32,64,( ),256.(2)4,9,16,25,( ),49.(3

找规律填数:(1)4,8,16,32,64,( ),256.(2)4,9,16,25,( ),49.(3
明显嘛,(1)等比数列,都乘以2,答案是128;
(2)数字分别是2,3,4,5,6,7,的平方,答案是36

(1)等比数列,都乘以2,答案是128;
(2)数字分别是2,3,4,5,6,7,的平方,答案是36

(1):括号内填128【依次为2的几次方】
(2):括号内填36【相邻两数之间的差为5,7,9,11,13的等差数列】