请问P%>1/(1-Q%)-1怎么化简成P%>Q%/(1-Q%)?
问题描述:
请问P%>1/(1-Q%)-1怎么化简成P%>Q%/(1-Q%)?
答
P%>1/(1--Q%)--1 因为 1/(1--Q%)--1=1/(1--Q%)--(1--Q%)/(1--Q%)=[1--(1--Q%)]/(1--Q%)=Q%/(1--Q%) 所以 P%>Q%/(1--Q%...