题目内容
如图,数轴上A、B两点分别对应实数a、b,则下列结论正确的是
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A.
B.
C.
D.
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A.
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D
分析:先根据数轴得到a,b,0之间的大小关系,再依次判断下列选项是否正确.
解:∵a<-1<0<b<1,
A、∵a<-1<0<b<1,∴ab<0,故选项错误;
B、∵a<-1<0<b<1,∴a-b<0,故选项错误;
C、∵a<-1<0<b<1,∴a+b<0,故选项错误;
D、∵a<-1<0<b<1,∴|a|-|b|>0,故选项正确.
故选D.
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