(a+1)分之a是怎么转换成1-(a+1分之1)的求过程
问题描述:
(a+1)分之a是怎么转换成1-(a+1分之1)的求过程
答
a/(a+1) = (a+1-1)/(a+1) = (a+1)/(a+1)-1/(a+1) = 1-1/(a+1)
(a+1)分之a是怎么转换成1-(a+1分之1)的求过程
a/(a+1) = (a+1-1)/(a+1) = (a+1)/(a+1)-1/(a+1) = 1-1/(a+1)