1、找规律,在()里填数
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1、找规律,在()里填数
(1)1,1,2,3,5,8,13,(),34,55.
(2)3,8,18,33,53,78,(),.
(1)1,1,2,3,5,8,13,(),34,55.
(2)3,8,18,33,53,78,(),.
![1、找规律,在()里填数](/uploads/image/z/6932301-69-1.jpg?t=1%E3%80%81%E6%89%BE%E8%A7%84%E5%BE%8B%2C%E5%9C%A8%28%29%E9%87%8C%E5%A1%AB%E6%95%B0)
(1)1,1,2,3,5,8,13,(21),34,55.规律:等于前面的两个数的和.
(2)3,8,18,33,53,78,(108),.规律:是前面的数加:5,10,15,20,25,30……
(2)3,8,18,33,53,78,(108),.规律:是前面的数加:5,10,15,20,25,30……