?27.(3.0分)设A B,C是三个事件,如果满足下列哪些等式,则称事件A,B,C相互独立-|||-□ P(AB)=P(A)P(B)-|||-□ P(BC)=P(B)P(C)-|||-□ P(AC)=P(A)P(C)-|||-□ P(ABC)=P(A)P(B)P(C)