15, 17, 20, 25, 32,()。A.35 B.43 C.49 D.51

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问题 15, 17, 20, 25, 32,()。

选项 A.35
B.43
C.49
D.51

答案B

解析 2,3,5,7,x为质数数列,x=11,则空缺项为32+11=43。因此,本題正确答案为B。
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