(a^3 - a^2 - a + 1)/(a^3 - 3a^2 + 3a - 1) 化简.
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(a^3-a^2-a+1)/(a^3-3a^2+3a-1)化简.(a^3-a^2-a+1)/(a^3-3a^2+3a-1)化简.(a^3-a^2-a+1)/(a^3-3a^2+3a-1)化简.(a^3
(a^3 - a^2 - a + 1)/(a^3 - 3a^2 + 3a - 1) 化简.
(a^3 - a^2 - a + 1)/(a^3 - 3a^2 + 3a - 1) 化简.
(a^3 - a^2 - a + 1)/(a^3 - 3a^2 + 3a - 1) 化简.
(a^3 - a^2 - a + 1)/(a^3 - 3a^2 + 3a - 1)
=(a²-1)(a-1)/[(a³-1)-3a(a-1)]
=(a-1)²(a+1)/[(a-1)(a²-2a+1)
=(a-1)²(a+1)/[(a-1)³]
=(a+1)/(a-1)
=(a²（a-1）-(a-1))/(a-1）³
=（a-1）*（a²-1）/（a-1）³
=（a-1）²（a+1）/（a-1）³
=（a+1）/（a-1）
(a 1)(a 2)(a 3)(a
(a+2)(a+1)-a(a-3)
a(a-1)(a-2)(a-3)(a-4)因式分解
【1】a+a=a×a a= [ ]【2】a×a=a÷a a=[ ]【3】a×a=a－a a=[ ] [4]a－a=a＋a a=[ ]
(通分） a/a^a^a+3a+2 ,a/a^a+2a+1 ,-1/3a+6
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