2.1,4.5,8.9,16.13,32.17,()
2023-06-15
A. 64.19
B. 64.21
C. 128.19
D. 128.21
参考答案:B
B. 64.21
C. 128.19
D. 128.21
参考答案:B
知识点:等差数列
多重数列隔项看,小数点前面是2的N次方,后面是等差数列,差值为4
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