2012²-2011²-2010²-.-1²

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2012²-2011²-2010²-.-1²
x)3204RS642 L(SO*hTOr;ԱՆj6zymF7S{6cMlM9[ppX۳;Y)[ HF 1d6U

2012²-2011²-2010²-.-1²
2012²-2011²-2010²-.-1²

2012²-2011²-2010²-.-1²
∵1²+2²+3²+.+n²=n(n+1)(2n+1)/6 (n是正整数)
∴1²+2²+3²+.+2011²=2712931506
故2012²-2011²-2010²-.-1²=2012²-2712931506=-2708883362.