计算(2002²-2×2002²-2000)÷(2002³+2002²-2003)
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![计算(2002²-2×2002²-2000)÷(2002³+2002²-2003)](/uploads/image/z/1262219-59-9.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%882002%26%23178%3B%EF%BC%8D2%C3%972002%26%23178%3B%EF%BC%8D2000%EF%BC%89%C3%B7%EF%BC%882002%26%23179%3B%2B2002%26%23178%3B%EF%BC%8D2003%EF%BC%89)
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计算(2002²-2×2002²-2000)÷(2002³+2002²-2003)
计算(2002²-2×2002²-2000)÷(2002³+2002²-2003)
计算(2002²-2×2002²-2000)÷(2002³+2002²-2003)
(2002³-2×2002²-2000)÷(2002³+2002²-2003)
=[2002²×(2002-2)-2000]÷[2002²×(2002+1)-2003]
=(2002²×2000-2000)÷(2002²×2003-2003)
=[2000×(2002²-1)]÷[2003×(2002²-1)]
=2000÷2003
=2000/2003
(2002³【这里是3次方】-2×2002²-2000)