n(n+1)(n+2)(n+3)+1等于多少
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n(n+1)(n+2)(n+3)+1等于多少n(n+1)(n+2)(n+3)+1等于多少n(n+1)(n+2)(n+3)+1等于多少(n^2+n)(n^2+5n+6)+1=n^4+6n^3+11n^2
n(n+1)(n+2)(n+3)+1等于多少
n(n+1)(n+2)(n+3)+1等于多少
n(n+1)(n+2)(n+3)+1等于多少
(n^2+n)(n^2+5n+6)+1
=n^4+6n^3+11n^2+6n+1
(n^2+n)(n^2+5n+6)+1
=n^4+6n^3+11n^2+6n+1
n(n+1)(n+2)(n+3)+1等于多少
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