数学白痴继续求教，JJ第七题....笨死我算了...

zhangyina

If the question says m people, then you should assume m is more than 1.

-- by 会员 sdcar2010 (2011/6/11 10:13:49)

请问这是为什么呢？？

-- by 会员 zhangyina (2011/6/11 11:12:29)

In English, people is a plural form . . .

-- by 会员 sdcar2010 (2011/6/11 11:17:11)

thx, I agree.