若a与b互为倒数,则a2008•(-b)2007的值是( ) A.a B.-a 发布时间:2017-04-26 22:48 │ 来源:www.tikuol.com 题型:选择题 问题: 若a与b互为倒数,则a2008•(-b)2007的值是( )A.aB.-aC.bD.-b.
题型:选择题 — Health is money. — But I think it is money. [ ]A. as important as B. more important than C. so important than D. the same as 查看答案