通分1/a^3-3a^2+2a,2/a^4-a^2,-1/a^2+a-2

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/11/05 23:25:32

1/a^3-3a^2+2a=1/a(a-1)(a-2)=a(a+1)(a+2)/[a²(a²-1)(a²-4)]
,2/a^4-a^2=2/a²(a-1)(a+1)=2(a²-4)/[a²(a²-1)(a²-4)]
,-1/a^2+a-2=-1/(a-1)(a+2)=-a²(a+1)(a-2)/[a²(a²-1)(a²-4)]

通分1/a^3-3a^2+2a,2/a^4-a^2,-1/a^2+a-2 a/(a+1)(a+2),2/(a+1)^2,3/a^2-1 通分通分a+2,2-a分之1 把分式a/a^2+a-2,a-1/a^2+3a+2,1/1-a^2通分通分2a/(2a+1),4(2a-1)/(4a^2-4a+1) 通分：a-1/(a+1)²-4,1-a/2-4a+2a² 通分a^2-1/a^2+2a+1 通分：1/2a-2,3/1-a^2 通分3a/2(a+1),2a/3a-3 (a 1)(a 2)(a 3)(a a(a-1)(a-2)(a-3)(a-4)因式分解 2/9-3a与a-1/a^2-9通分求过程