-
0,6,24,(),120 A.48B.56C.60D.64
-
0, 6, 24, 60, ()。A.116 B.120 C.121 D.144
-
8,8,12,24,60,()。 A.90B.120C.180D.240
-
144,225,9,324,()。A.441B.225 C.121D.676
-
五对夫妇排坐一长桌.要求夫妇相邻而坐,且同性别的相间而坐,问有多少种坐法?A.24B. 120C.240D.144
-
0,0,6,24,60,120,()A.180B.196C.210D.216
-
0,0,6,24,60,120,()A.180B.196C.210D.216