1X2X3X4+1=25=5²;2x3x4x5x6+1=121=11²;3x4x5x6x7+1=361=19²;.则(n+1)(n+2)(n+3)(n+4)+1=()
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![1X2X3X4+1=25=5²;2x3x4x5x6+1=121=11²;3x4x5x6x7+1=361=19²;.则(n+1)(n+2)(n+3)(n+4)+1=()](/uploads/image/z/374198-14-8.jpg?t=1X2X3X4%2B1%3D25%3D5%26%23178%3B%EF%BC%9B2x3x4x5x6%2B1%3D121%3D11%26%23178%3B%EF%BC%9B3x4x5x6x7%2B1%3D361%3D19%26%23178%3B%EF%BC%9B.%E5%88%99%EF%BC%88n%2B1%EF%BC%89%EF%BC%88n%2B2%EF%BC%89%EF%BC%88n%2B3%EF%BC%89%EF%BC%88n%2B4%EF%BC%89%2B1%3D%EF%BC%88%EF%BC%89)
1X2X3X4+1=25=5²;2x3x4x5x6+1=121=11²;3x4x5x6x7+1=361=19²;.则(n+1)(n+2)(n+3)(n+4)+1=()
1X2X3X4+1=25=5²;2x3x4x5x6+1=121=11²;3x4x5x6x7+1=361=19²;.
则(n+1)(n+2)(n+3)(n+4)+1=()
1X2X3X4+1=25=5²;2x3x4x5x6+1=121=11²;3x4x5x6x7+1=361=19²;.则(n+1)(n+2)(n+3)(n+4)+1=()
(n²+5n+5)²