规律如下
原数列22,35,56,90,x,234
（1）作差13,21,34
（2）作差8,13
观察到8+13=21,（1）规律为13,21,34,34+21=55,55+34=89
还原得22,35,56,90,90+55=145,145+89=234
于是x=145
我怎么算不明白了.22.35.56.90.X,234.求其中的X.求祥解,
我怎么算不明白了.22.35.56.90.X,234.求其中的X.求祥解,
数学人气：489 ℃时间：2020-05-13 10:47:26
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