12/16和9/12 4/12和5/20 4/14和9/21
[主观题]比较每组中两个分数的大小。5/7和3/77/16和11/164/9和4/515/17和15/22
[单选题]18, 4, 12, 9, 9, 20, ( ), 43。A.8B.11C.30D.9
[主观题]18,4,12,9,9,20,(),43A.8;B.11;C.30;D.9
[单选题]18,4,12,9,9,20,(),43A .8B .11C .30D .9
[单选题]-12,10,-4,12,16,( )。A.22B.34C.48D.56
[单选题]-12,10,-4,12,16,( )。A.22B.34C.48D.56
[单选题]-12,10,-4,12,16,( )。A.22B.34C.48D.56
[单选题]3,4,5,6,9,8,12A . 2,3,6,5,4,1,8,9B . 8,3,5,6,2,1,4,9C . 9,2,5,6,3,4,8,1D . 4,1,2,6,8,5,9,3
[单选题]0,-3,( ),5,20,4,12,15。A.10B.-11C.12D.-13
[单选题]0,-3,( ),5,20,4,12,15。A.10B.-11C.12D.-13