求2008³+2008²-2009分之2008³-2×2008²-2006的值
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![求2008³+2008²-2009分之2008³-2×2008²-2006的值](/uploads/image/z/14005953-9-3.jpg?t=%E6%B1%822008%26%23179%3B%EF%BC%8B2008%26%23178%3B%EF%BC%8D2009%E5%88%86%E4%B9%8B2008%26%23179%3B%EF%BC%8D2%C3%972008%26%23178%3B%EF%BC%8D2006%E7%9A%84%E5%80%BC)
求2008³+2008²-2009分之2008³-2×2008²-2006的值
求2008³+2008²-2009分之2008³-2×2008²-2006的值
求2008³+2008²-2009分之2008³-2×2008²-2006的值
(2008³-2×2008²-2006)/( 2008³+2008²-2009)
=[2008³-2×2008²-2008+2]/[ 2008³+2008²-2008-1]
=[2008*(2008²-1)-2*(2008²-1)]/[ 2008*(2008²-1)+(2008²-1)]
=(2008-2)/(2008+1)
=2006/2009