A.6/5 B.26/25 C. 2/3 D. 3/2
[单选题]:2,-3/4,10/9,-15/16,()。A.6/5 B.26/25 C. 2/3 D. 3/2
[单选题]4,10,B,17,12,( ),16,31
[单选题]30、2,2,4,6,10,( ),26A.9 B、16 C、16 D、20
[单选题]1,3/4,9/5,7/16,25/9,( )15/38 B.11/36 C.14/27 D.18/29
[单选题]:1,2/3,5/9,1/2,7/15,4/9,( )。A.5/9B.3/5C.2/13D.3/7
[主观题]计算。4/3-(2/5+3/10)5/7+1/4-9/143/4+3/6-5/8
[主观题]计算。5/9+(3/4-1/2)1/10+3/8-2/53/5-(2/15+1/3)
[单选题]第 1 题 5,4,10,8,15,16, ( ),( )A.20,18B.18,32C.20,32D.18,32
[单选题]5,4,10,8,15,16,( ),( )A.20,18B.18,32C.20,32D.18,64
[单选题]99、54、29、16、9、4、3、( )A. 2 B. 1 C. 0 D. -1