![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
Fibonacci数列的规律是:前2个数为1,从第3个数开始,每个数是它前2个数之和,即1,1,2,3,5,8,13,21,34,55,89,…某人编写了下面的函数,判断大于1的整数X是否是Fibonacci数列中的某个数,若是,则返回True,否则返回False。 Function Isfab(x As Integer)As Boolean Dim ii As Integer,b As Integer,C As Integer,flag As Boolean flag=False a=1:b=1 Do While x