A.648
B.658
C.646
D.656
[单选题]1,3,12,45,171,( )。A.648B.658C.646D.656
[单选题]1,3,12,45,171,( )A.648B.658C.646D.656
[单选题]1,3,12,45,171,( )。A.648B.658C.646D.656
[单选题]1,3,12,45,171,( )。A.648B.658C.646D.656
[单选题]1,3,12,45,171,( )。A.648B.658C.646D.656
[单选题]3.-1,6,7,27,( ),171A.36B.50C.62D.73
[单选题]:192×192×192-171×171×171=( )。A.1905258B.2066755C.2077677D.3217509
[主观题]1,4,3,12,12,48,25,()A.50;B.75;C.100;D.125
[单选题]1,4,3,12,12,48,25,()A.50;B.75;C.100;D.125
[主观题]计算。5/12+1/12=14/15-4/15=3/7-3/7=3/8+3/8=3/10+1/10=5/8-1/8=