计算:(1)已知a-a-1=1,求a2+a-2-3a4-a-4的值.(2)(lg 发布时间:2017-05-02 12:03 │ 来源:www.tikuol.com 题型:解答题 问题: 计算:(1)已知a-a-1=1,求a2+a-2-3a4-a-4的值.(2)(lg5)2+lg2•lg50的值.
题型:解答题 Throughout the year over two million people are expected to directly ___ Japan 2005,a series of festivals and performances taking place around the country.A.visitB.participate inC.involveD.come to 查看答案