|3-2a|>|a+1|怎么解
1/a(a+1)+1/(a+1)(a+2)+1/(a+2)(a+3)……1/(a+2009)(a+2010)怎么解
玩悠悠球时,1A,2A,3A,4A,5A怎么玩.
(a+1/a+b)^2-(a-1/a+b)^2怎么解啊
(a 1)(a 2)(a 3)(a
4a^2+4a+1>0怎么解
a^3-2a^2+1怎么因式分解谢谢了,
(a-1)(a²+a+1)怎么解!
a(a-1)(a-2)(a-3)(a-4)因式分解
4a+3b=10 5a+2b=1请问怎么解?
2的a次方+2的负a次方=3 怎么解a,
(a+1)(a+2)(a+3)-24用因式分解怎么做
因式分解怎么回答 :(4) 1/4a+a^3-a^2