Can you find the number which comes next in this sequence? 2 3 5 8 13 21 34 ? 55

游客2024-08-08  7

问题 Can you find the number which comes next in this sequence? 2 3 5 8 13 21 34 ?

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答案 55

解析 相邻两个数之间的差分别是1,2,3,5,8,13,其中:1+2=3,2+3=5,3+5=8,5+8=13,每个数差是前两个数差之和。可以知道34之后的数应该比34大8+13=21。34+21=55。
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