A.13,169 B.11,176 C.9,81 D.7,48
[单选题]0,1/6,3/8,1/2,1/2,( )A.5/13 B7/13 C5/12 D7/12
[单选题]:0 1/6 3/8 1/2 1/2 ( )A.5/13B.7/13C.5/12D.7/12
1 2 3 4 5 6 7 8 9 10
[问答题]利用简便方法计算下列算式:(1)897×(3/8)-37.5%+104×0.375;(2)(1/4)×3(3/8)-1/4×5.375
1 2 3 4 5 6 7 8 9 10 11 12 13 14
[单选题]:1/2,2/3,2/5,1/2,8/13,()。A.32/21 B.7/15 C. 9/11 D. 1
[单选题]1/2,2/3,2/5,1/2,8/13,()。A.32/21 B.7/15 C. 9/11 D. 1
[单选题]已知A(1)=1,A(2)=2,A(3)=6,A(4)=8则A(A(1)+A(2))=()。A . 8B . 6C . 2D . 1
单选;-|||-A= 3 0)-|||-1 3 B=-|||-2 -1 1 2 则 2A-3B= __ AB=-|||-(1) -7 6 6 6-|||-1 -
[主观题]1,2,6,15,40,104,()A.273B.329C.185D.225