计算:1/a-1+1/(a-1)(a-2)+1/(a-2)(a-3)+……+1/(a-2010)(a-2011)谢谢了,

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/07/18 08:48:06

1/a-1+1/(a-1)(a-2)+1/(a-2)(a-3)+……+1/(a-2010)(a-2011) =1/（a-1）+1/(a-2)-1/(a-1)+1/(a-3)-1/(a-2)+...+1/(a-2011)-1/(a-2010) =1/(a-2011)

计算:1/a-1+1/(a-1)(a-2)+1/(a-2)(a-3)+……+1/(a-2010)(a-2011)谢谢了, (a+1)(a+2)(a-3)计算计算a^3/a-1-a^2-a-1 计算 a^2/1+a+1-a 计算(a+1)(a+2)(a+3)(a-6) (a 1)(a 2)(a 3)(a 计算2a(a-3)^1-6a^2(3-a)-8a(a-3) 计算1/a(a+1)+1/(a+1)(a+2)+...+1/(a+2007)(a+2008)+1/(a+2011)(a+ 计算：a+1/a-1+a-2/1-a a(a-1)(a-2)(a-3)(a-4)因式分解当a=1时,a-2a+3a-4a+5a…+99a-100a= 计算1/a(a+1)+1/(a+1)(a+2)+...+1/(a+2007)(a+2008)