鬼来fang go

li6767599

书:x大于等于-6，且小于等于-9，y大于等于6且小于等于16，问the range of 根号下-xy
？
1.1到6
2.6到8
3.9到12
4.12到15
5.大于15
（前四个选项都包含等号在内即包含两端的数）
答案：结果是8  选B
作：
1.A leader of bussiness has more oppotunities to influence the course of comunnity or nation than the goverment official .
2.貌似模考软件里有，说 a store add an department of XX ,then the sales has increased in the last year,so the main concern of consumer is the convinence of the shopping ,so to add 收入，未来两年要再加入the department of closing and blalalala.反正是一系列的功能区域和服务，认为Being the only one store to serve 一系列的东西 in this area can be more competetive than others.

sdcar2010

x大于等于-6，且小于等于-9 ?

Impossible!

sdcar2010

x大于等于-16，且小于等于-9

Then it might be possible.

sdcar2010

Or x大于等于-9，且小于等于-6

lpilikeit

sdcar2010我要在狗狗里参考你的讨论。。。这题给的 不过还是谢谢lz