24,34,50,74,108, ()
A.168
B.166
C.154
D.148
请帮忙给出正确答案和分析,谢谢!
0,7,26,57,()。 A.89 B.108 C.100 D.148
6,10,26,38,62,()A.74B.82C.96D.108
24,34,50,74,108,()A.168B.166 C.154D.148
请用简便方法计算.58+34+4226+(74+66)16×50×2(39×4)×2525×2415×14.
CCB-II型制动机列车管控制模块中EMV紧急电磁阀工作电压是()。A.24VB.34VC.64VD.74V