下列选项中,结论正确的一项是( )
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2019-04-21 22:41:20
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【推荐1】对于有理数a、b,如果ab<0,a+b>0.则下列各式成立的是( )
A.a<0,b<0 | B.a>0,b<0且|b|<a |
C.a<0,b>0且a<|b| | D.a>0,b<0且|b|>a |
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单选题
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适中
(0.65)
【推荐2】若
,
,
,则
,
,
,
这四个数的大小关系是( )
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A.![]() | B.![]() |
C.![]() | D.![]() |
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单选题
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适中
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【推荐2】有一列数
,
,
,
,
,从第二个数开始,每个数都等于1与它前面那个数的倒数的差,若
,则
为( )
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A.![]() | B.4 | C.![]() | D.![]() |
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