A.25/17
B.26/17
C.25/19
D.26/19
[单选题]1/4, 2/5, 5/7, 1, 17/14, ( )A. 25/17 B. 26/17 C. 25/19 D. 26/19
[单选题]14, 7, 5, 5, 2,4, 1, ( )。A.-4B.-3C.3D.4
[单选题]14,7,5,5,2,4,1,()。A.-4B.-3C.3D.4
[主观题]计算。4/3-(2/5+3/10)5/7+1/4-9/143/4+3/6-5/8
[单选题]2,5,1,12,3,2,2,14,2,1,7,36,4,( ),3A.1B.2C.3D.4
[单选题]2,1,5,7,17,( )A.26 B.31 C.32 D.37
[单选题]2,1,5,7,17,( )A.26 B.31 C.32 D.37
[单选题]2,1,5,7,17,( )。A.26B.31C.32D.37
[单选题]2,1,5,7,17,31,( )。A.59B.61C.65D.69
[单选题]2,1,5,7,17,31,( )。A.59B.61C.65D.69