不等式性质测试题.doc

文档介绍：(5分×12=60分)??ba,那么()?1.?baBbaC11.?baD11.?:①若dcba??,,则dbca???;②若dcba??,,则bdac?;③若22bcac?,则ba?;④若,cba??则bcac?。其中成立的个数有(),0???bba,那么()babaA?????.bbaaB?????.abbaC?????.babaD?????.?x,则下列说法正确的是()11.???xC1.?,10??x则xxx1,,2的大小关系为()??????<0,-1<b<0,则有()>ab>>ab>>a>>ab2>??,则下列不等式一定成立的是()baA11.?1.?abB1.??()?,则ba???,,则bdac?,0????dcba,则dbca????,0,则dc???ab,且1??ba,则有()????????????????????????ba,则ba?的范围是()?????????????????,b,c,d均为实数,则下列说法正确的个数有()①若,0,0???adbcab则bdac?;②若,,0baab??则ba11?;③若,dcba???则dbca???11;④若,0,0???mba则bambma???()A若ba?,则22ba?;,0????dcba,?.若,22bcac?则;ba???(5分×6=30分)??ba,则ba11??ba(用不等号填空)???ba,则abbaba2,,22??,,2122xxNxM????则对任意的x都有MN(用