2 3 7 34 50 175 ( )
- A211
- B213
- C215
- D217
2 3 7 34 50 175 ( )
解析做差是幂次数列,分别是1的3次方,2的2次方,3的3次方,4的2次方,5的3次方···考点:幂次数列
2,3,7,34,50,175,()。
:2,3,13,175,( )。A30625B30651C30759D30952
:2,7,8,14,21,34,54,( )A87B97C56D65
:2,3,13,175,( )A30625B30651C30759D30952
5、50个数1,2,3,2,3,4,3,4,5,4,5,6,5,6,7,6,7,
50个数1,2,3,2,3,4,3,4,5,4,5,6,5,6,7,6,7,8,......的和是:A568B497C532D491
6、患者男,34岁,农民。7月份因发热、头痛、呕吐3天入院。体检:面颈部潮红,
患者男,34岁,农民。7月份因发热、头痛、呕吐3天入院。体检:面颈部潮红,双腋下少许出血点。化验尿常规:蛋白(++),红细胞3~10/HP。末梢血象:WBC23.0×109/L,异型淋...