3,4,6,12,36,( )。
A.8 B.72 C.108 D.216
1.406MHz EPIRB每小时发射_____ 。A.36次B.72次C.108次D.144次
2.3,4,6,12,36,( ) A.8;B.72;C.108;D.216
3.3,4, 6, 12,36, ()A.36B.72C.108D.216
4.3,4,6,12,36,( )A.36B.72C.108D.216
第1题:
3, 4, 6, 12, 36, ( )
A.8
B.72
C.108
D.216
第2题:
第3题:
第4题:
:3,4,6,12,36,( )。
第5题: