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(2010•厦门)不等式组的解集为A.x>-1B.x<2C.-1<x<2D.x<-1或x>...
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(2010•厦门)不等式组
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADgAAAAoCAYAAACrUDmFAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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q97wehsRhv/GEucb3iMfuEu4zPsd/ZkgV3+ycJZRxhuuFkLe1iockQAAAABJRU5ErkJggg==
)
的解集为( )
A.x>-1
B.x<2
C.-1<x<2
D.x<-1或x>2
相关试题
-
(2010•厦门)不等式组
的解集为( )
A.x>-1
B.x<2
C.-1<x<2
D.x<-1或x>2
-
(2010•厦门)不等式组
的解集为( )
A.x>-1
B.x<2
C.-1<x<2
D.x<-1或x>2
-
(2010•厦门)不等式组
的解集为( )
A.x>-1
B.x<2
C.-1<x<2
D.x<-1或x>2
-
(2010•厦门)不等式组
的解集为( )
A.x>-1
B.x<2
C.-1<x<2
D.x<-1或x>2
-
(2010•邵阳)如图,数轴上表示的关于x的一元二次不等式的解集为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALsAAAAdCAYAAADy1R2ZAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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ZxcnAdqFGb8sSCXCPsSguEsPCshiqSyGKbOvuLEbgr0Q49jVhexj2K8JRm1alfueQ0GEys/GWHRR
0LOalAx7AEXschMcRnAeKqtlmT8fZjKwC396nXCDWDDotCv+4QhzHoGDuCZdlvPPwkTJm+jZNWuX
9O8LSei8OjgfydJ8MuwyVYQWcSlmT08d54N/Lx/IzBTLK5Ces/f9ZZm3jdjqT8wsyqXsBjaFDoO1
x5bDmz7c+6sO1aniHQiSn9kT3nwmoDhs7D1+YT60hWcMxy9txug/qtmuP9b3lCQAAAAASUVORK5C
YILoj4HkvJjnvZE=
)
A.x≤1
B.x≥1
C.x<1
D.x>1
-
(2010•邵阳)如图,数轴上表示的关于x的一元二次不等式的解集为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALsAAAAdCAYAAADy1R2ZAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.x≤1
B.x≥1
C.x<1
D.x>1
-
(2010•厦门)设△A1B1C1的面积是S1,△A2B2C2的面积为S2(S1<S2),当△A1B1C1∽△A2B2C2,且
时,则称△A1B1C1与△A2B2C2有一定的“全等度”.如图,已知梯形ABCD,AD∥BC,∠B=30°,∠BCD=60°,连接AC.
(1)若AD=DC,求证:△DAC与△ABC有一定的“全等度”;
(2)你认为:△DAC与△ABC有一定的“全等度”正确吗?若正确,说明理由;若不正确,请举出一个反例说明.
-
(2010•厦门)设△A1B1C1的面积是S1,△A2B2C2的面积为S2(S1<S2),当△A1B1C1∽△A2B2C2,且
时,则称△A1B1C1与△A2B2C2有一定的“全等度”.如图,已知梯形ABCD,AD∥BC,∠B=30°,∠BCD=60°,连接AC.
(1)若AD=DC,求证:△DAC与△ABC有一定的“全等度”;
(2)你认为:△DAC与△ABC有一定的“全等度”正确吗?若正确,说明理由;若不正确,请举出一个反例说明.
-
(2010•厦门)设△A1B1C1的面积是S1,△A2B2C2的面积为S2(S1<S2),当△A1B1C1∽△A2B2C2,且
时,则称△A1B1C1与△A2B2C2有一定的“全等度”.如图,已知梯形ABCD,AD∥BC,∠B=30°,∠BCD=60°,连接AC.
(1)若AD=DC,求证:△DAC与△ABC有一定的“全等度”;
(2)你认为:△DAC与△ABC有一定的“全等度”正确吗?若正确,说明理由;若不正确,请举出一个反例说明.
-
(2010•保山)不等式
的解集为 ________.