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设实数a,b在数轴上对应的位置如图所示,化简的结果是A.-2a+bB.2a+bC.-bD....
试题详情
设实数a,b在数轴上对应的位置如图所示,化简
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEIAAAAbCAYAAADI1VnXAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
的结果是( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJsAAAASCAYAAABM3qycAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAQGSURBVGhD5Vm9ThtBEL6jAJkgFEEFnTueIDlD
JMQb0FGCiH28ATwAElXic14gTkdHE98BkQKmSdJBGWxBSwclBfgmO3veu937ARvvrs1lhYV83t3Z
b+abvz0DMobv+1k/jdzzfs7qQyc8fz/rRg50z3ZDvBFmuqzDbBt7/kKQt7e3gJ/nhvHcBBm/1+t1
mJ2dhZWVFbi+vpaxZU97nJ+fg2VZMDc3BwcHB8Ka1+NKT0PNcphvX+sUt2W9g4uLi570Ncik9fV1
WF1dBbR1FvGUkw2NPDk5CYZh0E+xWBwEU19rp6enQ7lTU1OA5Mv7QCf69ec3p/MxmJmZgfv7e4C4
h0nyOEb4jY2NUN+MeHd3d6HKjeXl5XACksE0TeE7I8lr+v8Uhjzgy7IFjy0b55hSG6fJXVtboxnN
uLq6gmazCaenp8In7Vl8Ti/fd3d3hciGEeb4+Dghr5e9subgWePnRRkoixmmUChAtfoJTpoM55nU
Mwxy/sHW/kzgqFarUHgTZRPUw9EP1Hkwt3ki2now+dFefGQbHx8HJNn+/n4QVclQnkZRyPb2NmBK
W1hY0JrKUInz8/NU9t7eXt4zaISPpMednR2C+y2t21APOCRlzVQ9Yq02MTGRIBg/WQvZhm1lvojO
Ywf6Uv36/uNLlwrrbm5uhAgW35TpPCSbbiPokteqLYWpdMuV0+pLsZDkTfio1YEWOEtBQ2bVWhmS
Uq5EJJ8pvp2iyPbcXVZHakjPIq7vlYnCK3BILPEA36FClG97POHySz40dMO2wGnHMXK2UUwuTWSL
i9FjVEZhJB96d+2DSC5KvsUqtDUrWam4jEKsAw3YND6CC/FUqccWaZjlRbYU0JkFqcpKlaFsO1Ay
SqJnJ54NT/FKCYjNADqW7aoW09f+kshGYkrq663AmK1aCcYMvL8jxq/ZCqJLkjRU2WaFeDZhNv7R
aNcAO5FK+9LXK5gc6MK1Maq7FC+9Py0NP6JLIlvSBiyV0UK162HM2O+dS+VG871NWq95nKTH/4Js
+Ca0AWVKsq6ztRxYHAEnk0C2wJMwM4rZkUDeioiGcx66XVL5UF36YhGWNQc0snGp1RoBpSv3NJdE
9UqUQn0S34WIrqOMSQEpgWzpqks1dusLWMTbjtgSlaBj9RklYftzrI5TR3rlhHpCgGubYtedposh
HFAB2aKagS9QH+BvcPejqWhl8virDqwdzSWHdKP5JBnyB1NoxSwL5QPWb+l616sHOWQLanBh8ABZ
rYaF6pbrguepCWnxXTvcVUfemwOGPd6FXjpWVLsNIZrxIqWRLWJbt4ajF6pBJ2QYZVI1BJ1gWLRq
Ao7RzDCDc4gXupoOoFxM8tLWw1qZ6Z7LJLre2vCQeZn/AGMJw6VTyjUgAAAAAElFTkSuQmCC6I+B
5LyY572R
)
A.-2a+b
B.2a+b
C.-b
D.b
相关试题
-
设实数a,b在数轴上对应的位置如图所示,化简
的结果是( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJsAAAASCAYAAABM3qycAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.-2a+b
B.2a+b
C.-b
D.b
-
设实数a,b在数轴上对应的位置如图所示,化简
的结果是( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJsAAAASCAYAAABM3qycAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.-2a+b
B.2a+b
C.-b
D.b
-
设实数a,b在数轴上对应的位置如图所示,化简
的结果是( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJsAAAASCAYAAABM3qycAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.-2a+b
B.2a+b
C.-b
D.b
-
设实数a,b在数轴上对应的位置如图所示,化简
的结果是( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJsAAAASCAYAAABM3qycAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.-2a+b
B.2a+b
C.-b
D.b
-
实数在数轴上对应点的位置如图所示,则化简
的结果为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMwAAAAVCAYAAAAKEwEVAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.-2a+b
B.2a-b+2c
C.b
D.-b
-
实数在数轴上对应点的位置如图所示,则化简
的结果为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMwAAAAVCAYAAAAKEwEVAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.-2a+b
B.2a-b+2c
C.b
D.-b
-
实数a、b、c 在数轴上对应点的位置如图所示,则化简
的结果是( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJoAAAAUCAYAAAB1RSS/AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.-2a+b
B.2a-b+2c
C.b
D.-b
-
实数a、b、c 在数轴上对应点的位置如图所示,则化简
的结果是( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJoAAAAUCAYAAAB1RSS/AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.-2a+b
B.2a-b+2c
C.b
D.-b
-
实数a、b在数轴上的位置如图所示,且|a|>|b|,则化简
的结果为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAREAAAAYCAYAAADd7MnyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.2a+b
B.-2a+b
C.b
D.2a-b
-
实数a、b在数轴上的位置如图所示,且|a|>|b|,则化简
的结果为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAREAAAAYCAYAAADd7MnyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAASPSURBVHhe7Vw9UuMwFHYauAIVtJxgxwkz0HID
DrAkOQMNN9gkW1HSQUezxFtCBx0lQ0INVFBCsfFbPdmK5d/YRrafHHmGIQGh9/Tp8/d+ZGKBRpfr
uvDw8AA3Nzf8e9qF48z1fQQQ49vb20ysv29F3QyGH+qwLDKTVWRwk2Pf39/h8PAQLMtaftm2DY+P
j0261QrbUdFdhbUYT0msV/ncio0iugguIpTIkIbT/v5+SECEmOzu7sLn5ydRePV06+DgQDusDT+q
5RqK9NbWFpycnAC+li8tMpG7u7tEUgshubq6qhbBNZr9/v5eO6wNP+oh6NvbGwyHQy4mZ2dn3Cgm
IFZa1JHLBh1edzqdEPmj73VYg/ExKFVVY2H4oR5bbCdgVqJFJuI4TmZ0PD8/j0mxDiVaPfGjmJUy
WBezoH50GZ8NP8rtA2K9s7MDR0dH8Pr6yifRQkS+vr6440nRaXNzE15eXsohYv4qhgD2l7a3t1Ox
FsShBJ3hR/W7gbzAgw3sQeLpqLh4OVO9eTUWsO7FWkwWEhSQi4sLNQbMLEsEkrDe2NiAy8vLEEqU
ornhR7UERhGJ7r+wqI2IoMNYf41GIzg9PeXfTQZSHXGiWFPMQKKr//j4CPFDB5+r28H6ZtZKRBAW
StGvvm2q29IiMJjx3B7tR/qkNdQN35rZ005E1mx/GlqufwOuUAkj6A1tDzGz2oqIIbBiJjHBWMC/
2KSejhCO6gtJ6WinRoo3jM502ooIHQjb5kkgGKlCTfBmJehS24iRuh4jImuz1fkW6sIcfu35Dyb1
Ruxd+kUlG/zb9/0dOvkWaUYpRcCIiFI49ZxsKQYsnE8HFtiTGV/IbNIFazBNXRQVERG+DhzCZZee
1MjltbYiggSmROJcaBMftIA/0LdsGM+9m3EB16H3svuUsP/nPsG4dwzpckcceM3dIyki8frWRJg6
eOY6x2BJJcwCZjBmpU1/GjRcXZe9brQBkcCF+RjswXUdEBkbCQgQEpHshh6m2d7Tqn24nvbBGpq4
o5rRvHyRRIRHeCYiorxRba/IfEmfYSJ+hn4PnCkci8+a2cvu5RSxa8auRqB5EZGjWkKEE0T+8dur
0zHFHjCymPp39ebmGsEwl29GT0REOeNlIkJEmihhQvRI+MQ6kS1hcJmyFIm/73UMP3JtvppBzYsI
riMjPRaNPqSHJyKMJF0bRrP4Mw1qIFnTWVBMluVMWEQCwV5E+lD1lZlcP5J44pcyvMzyL+SMCTL1
8ZiGiETWu+TKfALd7jg4ZsRfMNLgz57rw2h9LOEN6Ud0T7DDjdYVel8pTmlxBksZ0bPBQCOCjGgO
V+qUmZwjQFJExN4gQbxUWoqMLFVtMr1uHW8id2eRI96msUDBGHV/8jJGXDybyjiWbtrnNtonJSK8
5pZILRNa9EIsq8uOIJ9gnvUUVBt3qsI1yb2OoMfAmthSf6RC87mnjvVkIqcyXECw8e7m+9+f3IbN
wEwESIlIzNPnCfSWn+6OjTOvqWr5zzI0etLYGmLF+xpNNFDLwslP7Tr+yR3PQFjfpuxk5u9KIfAf
9cqJZKv3ubIAAAAASUVORK5CYILoj4HkvJjnvZE=
)
A.2a+b
B.-2a+b
C.b
D.2a-b