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Quiz:
1x2x3x4 +1 = 5^2
2x3x4x5 +1 = 11^2
3x4x5x6 +1 = 19^2
.
.
.
.2014x2015x2016x2017 +1 = X^2

Ans: X =??
幕後祕辛
有請股鴿 1X2X3X4+1=5^2
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826399
⎝( ̄(∞) ̄)⎠⊿
=2014^2+3(2014)+1
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鱟之嬌孩的鱟母
4062239^_^
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鱟之嬌孩的鱟母
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鱟之嬌孩的鱟母 : Incredible !!!!
鱟之嬌孩的鱟母
826399
❤💘唬克熊WHO K BEAR
鱟之嬌孩的鱟母 : 難怪那麼不數學~~
826399
鱟之嬌孩的鱟母
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鱟之嬌孩的鱟母
❤💘唬克熊WHO K BEAR
鱟之嬌孩的鱟母 : n(n+1)(n+2)(n+3) =(n^2+3n)(n^2+3n+2) =(n^2+3n)^2 +2(n^2+3n) +1 =(n^2+3n+1)^2, n=2014, X=2014^2+3(2014)+1
鱟之嬌孩的鱟母
忘記了,所以慢慢推
額娘娘
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