极限 lim _-|||-A-|||-dfrac (5)(3)-|||-B dfrac (7)(3)-|||-C) 1-|||-D 3
dfrac {3)(10) C. dfrac (7)(10) D. dfrac (2)(5)
B. dfrac {1)(2) . C. dfrac (2)(3) . D. dfrac (3)(4)
dfrac (12)(5)-|||-C. dfrac (5)(2)-|||-D.3
-dfrac (2)(3) C. dfrac (2)(3) D. dfrac (1)(9)
dfrac (1)(7)-|||-C dfrac (1)(15)-|||-D dfrac (1)(3)
dfrac (1)(6)-|||-C. dfrac (1)(2) D. dfrac (1)(3)
dfrac (1)(6)-|||-C. dfrac (1)(2) D. dfrac (1)(3)
dfrac (pi )(3)B . dfrac (pi )(3)C . dfrac (pi )(3)D . dfrac (pi )(3)[单选题]复数1+i对应
dfrac (4)(3) D. -dfrac (4)(3)