The W.H.O.says about two and one-half percent dietwo and one-half percent 是百分之几?
问题描述：
The W.H.O.says about two and one-half percent die
two and one-half percent 是百分之几?
答
你好
two and one-half percent 是指 2.5%
答
百分之二点五
答
2 又1/2
也就是2.5% 可以这样叙述.