120,24,6,2,1,()
A.1
B.0.1
C.0.25
D.0.1252
1,1,2,6,24,() A,25;B,27;C,120;D,125
1 1 2 6 24() A.11 B.50 C.80 D.120
120,24,6,2,1,() A.1B.0.1C.0.25D.0.1252
1,-2,6,-24,() A.72 B.96 C.120 D.-120
1,1,2,6,24,120, ()。A.620B.720C.820D.680