7.找规律填后面的数. (1)1,4,9,16,( ),36. (2)2,3,5,8,13,( ),34.
问题描述:
7.找规律填后面的数. (1)1,4,9,16,( ),36. (2)2,3,5,8,13,( ),34.
答
(1) 25 (都是完全平方数)
(2) 21 (等于前两个数的和)