来自白晨光的问题
仔细观察,找规律2,3,5,9,17,33,(),129.
仔细观察,找规律2,3,5,9,17,33,(),129.
1回答
2020-02-02 20:08
仔细观察,找规律2,3,5,9,17,33,(),129.
仔细观察,找规律2,3,5,9,17,33,(),129.
3-2=1
5-3=2
9-5=4
17-9=8
33-17=16
x-33=32
129-x=64
x=65
或者可以这样看,
3=2+(2-1)
5=3+(3-1)
9=5+(5-1)
同理可得
x=33+(33-1)=65