0 .dfrac (1)(2) .-|||--dfrac (1)(2) . .dfrac (1)(8) .dfrac (1)(6) .dfrac (1)(24)
8.已知 (A)=dfrac (1)(4) ,(B|A)=dfrac (1)(3) ,(B)=dfrac (1)(6) ,则-|||-P(A|B)=-|||-A
10、单选-|||-极限 lim _-|||-A-|||-dfrac (1)(6)-|||-B dfrac (1)(2)-|||-C -dfrac (1)(3)
A.dfrac ({C)_(7)^1(C)_(5)^1}({C)_(12)^2}dfrac (2)(7)-|||-:dfrac (2)(12) B. d
dfrac (1)(2)-|||-C dfrac (1)(6)-|||-D . dfrac (1)(36)
(B) dfrac (1)(2)(X)_(1)+dfrac (1)(2)(X)_(2)-|||-(C) dfrac (1)(2)(X)_(1)+dfrac (1
已知 (A)=dfrac (1)(2) ,(B)=dfrac (1)(3) ,-|||-(C)=dfrac (1)(5) ,(AB)=dfrac (1)(10)
已知 (A)=dfrac (1)(2) , (B)=dfrac (1)(3) , (C)=dfrac (1)(5)-|||-, (AB)=dfrac (1)(1
已知 (A)=dfrac (1)(2) ,(B)=dfrac (1)(3) ,-|||-(C)=dfrac (1)(5) ,(AB)=dfrac (1)(10)
dfrac (1)(6)-|||-C. dfrac (1)(2) D. dfrac (1)(3)