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(2007•泰安)下列运算正确的是A.=±2B.C.D.-|-2|=2
试题详情
(2007•泰安)下列运算正确的是( )
A.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACdSURBVDhP1ZIxDgQhCEU5l4XHsecm1hzEloNM
wVFY0F2TmTiJ2K3Ghvj8/yOgiwUAunXe4FX9WYN/gUUpgyIPvyHbQrk3Mg4LKRKfKJtdJBXbYduM
WUk8ZRRmnBnDMON62rJZAW3lO4plzot3dL0etltr/V5NoKle4/924anQHQz1OGxQMUVXf4fvYW7h
rpoUUj2D/V1XP1L+mdqFP6uplFTsg5j9AAAAAElFTkSuQmCC
)
=±2
B.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAAjCAYAAAAt4qxQAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADkAAAAXCAYAAACxvufDAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGDSURBVFhH5VZLEoMgDOVcLjiOe27imoO45SBd
cJQ04WeotjVF7ZQ60xkdi+HxPomCF5dSCo74vapxxTv1DuQVmzi7xh+BdGaRpXHlYEmqPVyIwoEp
wPAegeXHfkB6D57R5UyPIBlAbzWoX5Yrt522hbxkOg9Wp3bRAtJb0KXtaLBcIniYknYkzgKq/WC7
TFidLGmTOu1O5sl4UHltUAU7TfGmhQu8c5XteP1VfHLJykBSaDH2gnQMxtqXLqqfmF33CP5S2EIo
tDJ7PMBaYYbvPpu+mL14nSpA6w2Q5BY2OJP7Ci3e3qp9qic5kMqfmAVBnk/CQiZXqoIgjQETQmwd
PK2M7ltPB13b5MCxrlZBZP56TzqzkeqHDeghmXmBhyDaR0PTv0iVlU0wX+j5QCbjSJhbCFycrtuZ
EZW0gJzH5M3x8wH9zTDQRFPD4gJynufwmWlQMEy3cC8PnoadnLh0LdfAaGSzX5AIbkRvEZtdg7xN
A6hh6hskSZXY7JrJnAG9gLwDKMS7x0hd4kUAAAAASUVORK5CYII=
)
D.-|-2|=2
相关试题
-
(2007•泰安)下列运算正确的是( )
A.
=±2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAAjCAYAAAAt4qxQAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAHgSURBVGhD7ZnRtYMgDIaZjJ1Yh2UYxVFyCa2V
YBAlULmWnuNDewSTL/mTSBXMDyGgJg9KYAJJMuIYyGJBKw12+Z08ygNxBpRS/ppAonRwYHoA+cD2
wI0bKv0KNaQDEJThCiFIUoEeSJNfB7I4B3FJWqwGpS357c6U+TqQnbMonwlkw4IZ8ljJOINdKXOx
xdPXqIGyA8NEJYPpSwzni6ozbVqxMwbG6jExkFTL7w6wRpwGeAGrFUg6JkpFsr5d4aW+vDIEnb+c
uoKW7OGTuuG/p3Cy0mMkKYETupzfc31+AILar4rWTmJl01YDqMM3SccngrGOZLsHgpGuNCjIqnJt
mV3nO7xUDM4/qWREc4C8lrT2+myn2xpDAoSbFI/0Sx14bdZjjuhaQ0jNOgHkfNT6ATlvw/U7c1mE
gVW+ogpG5/Ekcx3Pru0K2qekIF+3vNMKZg5h2258ZpGbUSrabievBNvmBrO4fcZnFiELuIMc3KjN
CC/wpvnS7V0mqiXlM4sn1A6eJX25I5kRLUikUT3ZNo9n+w1P/Q3xZAAp0jKQXNa0D84QOxaAYK34
r+8qdXwPgbQ6CKoz7Z5VWSC7AxzmzOIek/s+lQXCz/q/IZ1yUe0bkOF2n0CSkEwgE8ixSv8AaWBy
+jXKv/wAAAAASUVORK5CYII=
)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADkAAAAXCAYAAACxvufDAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGDSURBVFhH5VZLEoMgDOVcLjiOe27imoO45SBd
cJQ04WeotjVF7ZQ60xkdi+HxPomCF5dSCo74vapxxTv1DuQVmzi7xh+BdGaRpXHlYEmqPVyIwoEp
wPAegeXHfkB6D57R5UyPIBlAbzWoX5Yrt522hbxkOg9Wp3bRAtJb0KXtaLBcIniYknYkzgKq/WC7
TFidLGmTOu1O5sl4UHltUAU7TfGmhQu8c5XteP1VfHLJykBSaDH2gnQMxtqXLqqfmF33CP5S2EIo
tDJ7PMBaYYbvPpu+mL14nSpA6w2Q5BY2OJP7Ci3e3qp9qic5kMqfmAVBnk/CQiZXqoIgjQETQmwd
PK2M7ltPB13b5MCxrlZBZP56TzqzkeqHDeghmXmBhyDaR0PTv0iVlU0wX+j5QCbjSJhbCFycrtuZ
EZW0gJzH5M3x8wH9zTDQRFPD4gJynufwmWlQMEy3cC8PnoadnLh0LdfAaGSzX5AIbkRvEZtdg7xN
A6hh6hskSZXY7JrJnAG9gLwDKMS7x0hd4kUAAAAASUVORK5CYII=
)
D.-|-2|=2
-
(2007•泰安)下列运算正确的是( )
A.
=±2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAAjCAYAAAAt4qxQAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADkAAAAXCAYAAACxvufDAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGDSURBVFhH5VZLEoMgDOVcLjiOe27imoO45SBd
cJQ04WeotjVF7ZQ60xkdi+HxPomCF5dSCo74vapxxTv1DuQVmzi7xh+BdGaRpXHlYEmqPVyIwoEp
wPAegeXHfkB6D57R5UyPIBlAbzWoX5Yrt522hbxkOg9Wp3bRAtJb0KXtaLBcIniYknYkzgKq/WC7
TFidLGmTOu1O5sl4UHltUAU7TfGmhQu8c5XteP1VfHLJykBSaDH2gnQMxtqXLqqfmF33CP5S2EIo
tDJ7PMBaYYbvPpu+mL14nSpA6w2Q5BY2OJP7Ci3e3qp9qic5kMqfmAVBnk/CQiZXqoIgjQETQmwd
PK2M7ltPB13b5MCxrlZBZP56TzqzkeqHDeghmXmBhyDaR0PTv0iVlU0wX+j5QCbjSJhbCFycrtuZ
EZW0gJzH5M3x8wH9zTDQRFPD4gJynufwmWlQMEy3cC8PnoadnLh0LdfAaGSzX5AIbkRvEZtdg7xN
A6hh6hskSZXY7JrJnAG9gLwDKMS7x0hd4kUAAAAASUVORK5CYII=
)
D.-|-2|=2
-
(2007•泰安)下列运算正确的是( )
A.
=±2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAAjCAYAAAAt4qxQAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADkAAAAXCAYAAACxvufDAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGDSURBVFhH5VZLEoMgDOVcLjiOe27imoO45SBd
cJQ04WeotjVF7ZQ60xkdi+HxPomCF5dSCo74vapxxTv1DuQVmzi7xh+BdGaRpXHlYEmqPVyIwoEp
wPAegeXHfkB6D57R5UyPIBlAbzWoX5Yrt522hbxkOg9Wp3bRAtJb0KXtaLBcIniYknYkzgKq/WC7
TFidLGmTOu1O5sl4UHltUAU7TfGmhQu8c5XteP1VfHLJykBSaDH2gnQMxtqXLqqfmF33CP5S2EIo
tDJ7PMBaYYbvPpu+mL14nSpA6w2Q5BY2OJP7Ci3e3qp9qic5kMqfmAVBnk/CQiZXqoIgjQETQmwd
PK2M7ltPB13b5MCxrlZBZP56TzqzkeqHDeghmXmBhyDaR0PTv0iVlU0wX+j5QCbjSJhbCFycrtuZ
EZW0gJzH5M3x8wH9zTDQRFPD4gJynufwmWlQMEy3cC8PnoadnLh0LdfAaGSzX5AIbkRvEZtdg7xN
A6hh6hskSZXY7JrJnAG9gLwDKMS7x0hd4kUAAAAASUVORK5CYII=
)
D.-|-2|=2
-
(2007•泰安)下列运算正确的是( )
A.
=±2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAAjCAYAAAAt4qxQAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADkAAAAXCAYAAACxvufDAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGDSURBVFhH5VZLEoMgDOVcLjiOe27imoO45SBd
cJQ04WeotjVF7ZQ60xkdi+HxPomCF5dSCo74vapxxTv1DuQVmzi7xh+BdGaRpXHlYEmqPVyIwoEp
wPAegeXHfkB6D57R5UyPIBlAbzWoX5Yrt522hbxkOg9Wp3bRAtJb0KXtaLBcIniYknYkzgKq/WC7
TFidLGmTOu1O5sl4UHltUAU7TfGmhQu8c5XteP1VfHLJykBSaDH2gnQMxtqXLqqfmF33CP5S2EIo
tDJ7PMBaYYbvPpu+mL14nSpA6w2Q5BY2OJP7Ci3e3qp9qic5kMqfmAVBnk/CQiZXqoIgjQETQmwd
PK2M7ltPB13b5MCxrlZBZP56TzqzkeqHDeghmXmBhyDaR0PTv0iVlU0wX+j5QCbjSJhbCFycrtuZ
EZW0gJzH5M3x8wH9zTDQRFPD4gJynufwmWlQMEy3cC8PnoadnLh0LdfAaGSzX5AIbkRvEZtdg7xN
A6hh6hskSZXY7JrJnAG9gLwDKMS7x0hd4kUAAAAASUVORK5CYII=
)
D.-|-2|=2
-
(2007•泰安)下列运算正确的是( )
A.
=±2
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAAjCAYAAAAt4qxQAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADkAAAAXCAYAAACxvufDAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGDSURBVFhH5VZLEoMgDOVcLjiOe27imoO45SBd
cJQ04WeotjVF7ZQ60xkdi+HxPomCF5dSCo74vapxxTv1DuQVmzi7xh+BdGaRpXHlYEmqPVyIwoEp
wPAegeXHfkB6D57R5UyPIBlAbzWoX5Yrt522hbxkOg9Wp3bRAtJb0KXtaLBcIniYknYkzgKq/WC7
TFidLGmTOu1O5sl4UHltUAU7TfGmhQu8c5XteP1VfHLJykBSaDH2gnQMxtqXLqqfmF33CP5S2EIo
tDJ7PMBaYYbvPpu+mL14nSpA6w2Q5BY2OJP7Ci3e3qp9qic5kMqfmAVBnk/CQiZXqoIgjQETQmwd
PK2M7ltPB13b5MCxrlZBZP56TzqzkeqHDeghmXmBhyDaR0PTv0iVlU0wX+j5QCbjSJhbCFycrtuZ
EZW0gJzH5M3x8wH9zTDQRFPD4gJynufwmWlQMEy3cC8PnoadnLh0LdfAaGSzX5AIbkRvEZtdg7xN
A6hh6hskSZXY7JrJnAG9gLwDKMS7x0hd4kUAAAAASUVORK5CYII=
)
D.-|-2|=2
-
(2007•泰安)下列运算正确的是( )
A.a3+a3=3a6
B.(-a)3•(-a)5=-a8
C.(-2a2b)3•4a=-24a6b3
D.(-
a-4b)(
a-4b)=16b2-
a2
-
(2007•泰安)下列运算正确的是( )
A.a3+a3=3a6
B.(-a)3•(-a)5=-a8
C.(-2a2b)3•4a=-24a6b3
D.(-
a-4b)(
a-4b)=16b2-
a2
-
(2007•泰安)下列运算正确的是( )
A.a3+a3=3a6
B.(-a)3•(-a)5=-a8
C.(-2a2b)3•4a=-24a6b3
D.(-
a-4b)(
a-4b)=16b2-
a2
-
(2007•泰安)下列运算正确的是( )
A.a3+a3=3a6
B.(-a)3•(-a)5=-a8
C.(-2a2b)3•4a=-24a6b3
D.(-
a-4b)(
a-4b)=16b2-
a2
-
(2007•泰安)下列运算正确的是( )
A.a3+a3=3a6
B.(-a)3•(-a)5=-a8
C.(-2a2b)3•4a=-24a6b3
D.(-
a-4b)(
a-4b)=16b2-
a2