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不等式5

Authored by soilam chio

Mathematics

1st Grade

Used 3+ times

不等式5
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

{x|x<-1或1<X<2或X>3}

{x|1<X<2或2<X3}

{x|x<-1或X>3}

{x|x<-1或1<X<2或2<X3}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

{x|x<-2或x>-1}

{x|x<-2或-2<x<-1}

{x|-2<x<-1}

{x|x>-1}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

{x|x<-1或-1<x<1或>6}

{x|-1<x<1或>6}

{x|x<-1或>6}

{x|x<-1或-1<x<6}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x∈∅

x∈R

{x|x<-2或x>2}

{x|-2<x<2}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

{x|x<-2或2<x<3}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

{x|x<-4或x<-3或x>3}

{x|x<-4或-3<x<3}

{x|x>3或x<-4}

{x|-4<x<-3或x>3}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

{x|-2<x<4}

{x|x<-1或x>4}

{x|-2<x<4或x=-1}

{x|x<-2或-1<x<4}

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