A.141
B.164
C.185
D.193
[单选题]7,13,39,61.103,( )
[单选题]4,12,39,103,()A .227B .242C .228D .225
[单选题]2,19,39,65,103,( )。A.165B.126C.199D.172
[单选题]13,17,26,( ),67,103。A.28B.36C.42D.45
[单选题]2,13,40,61,( )。A.46.75B.82C.88.25D.121
[单选题]7, 19, 37, 61, ( )A. 87 B. 89 C. 91 D. 97
[单选题]:[6/(1×7)]-[6/(7×13)]-[6/(13×19)]-[6/(19×25)]-……-[6/(97×103)]= ( )A.433/567B.532/653C.522/721D.436/673
13性别.年龄这样的概念,可能用来()。A. 作为标志使用B. 作为指标使用C. 表示总体特征D. 表示个体特征
[单选题]-27,-35,-39,-34,-13,( )A.-7B.-4C.22D.33