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关于A.复数的百科

已知复数z=2-i,则z·的值为(  )A.5                                ...
若复数z=2-i,则+=(  )A.2-i                                  ...
 复数的值是                                         (   )A.2...
设复数(是虚数单位),则复数的共轭复数      A.       B.        C.        D...
复数的共轭复数是(  )   A.     B.    C.     D.
复数的共轭复数是(A)      (B)       (C)        (D)
复数的共轭复数是(  )A.        B.         C.        D.
复数的共轭复数是  A.         B.          C.         D.
若复数,,则复数的模是A.                             B.           ...
复数的共轭复数是                                A            B ...
已知复数,则复数的共轭复数为(    )A.        B.     C.      D.
 复数的共轭复数为(  )A.         B.       C.         D.
已知复数满足,则复数的共轭复数为A.        B.        C.         D.
复数的共轭复数是A.         B.            C.         D.
已知复数和复数,则为( A  )A.1     B.     C.     D.
设是虚数单位,复数,则复数的共轭复数为(  )A.             B.       C.      ...
复数与复数的积为实数,则(  )A.     B.     C.        D.
复数                                                  A. ...
复数的共轭复数是(   )A.          B.       C.          D.
复数的共轭复数                                         (  )  A...
复数的共轭复数是(A)      (B)       (C)         (D)
复数的共轭复数为(  )A.-          B.         C.          D.
 复数的共轭复数是(     )A.          B.        C.       D.
复数的共轭复数是(  )A.         B.            C.         D.
复数的共轭复数是                                          ( )A....