3,5,10,25,75,(),875
A.125
B.250
C.275
D.350
1,4,3,12,12,48,25,() A.50;B.75;C.100;D.125
34 、 3,5,10,25,75 ,(), 875A 125 B 250 C 275 D 350
3,5,10,25,75,(),875 A 125 B 250 C 275 D 350
-3,-16,-27,O,()。 A.75 B.125 C.25 D.-25
1,0.5,0.25,0.125,() A.0.75 B.O.725 C.O.0625 D.0.05