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

问题描述:

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