已知整数a1,a2,a3,a4,...满足下列条件:a1=2,a2=-|a1+1|.a3=-|a2+2|,a4=-|a3
1个回答
a1=2
a2=-3
a3=-1
a4=-2
a5=-2
a6=-3
a7=-4
……
a2013=-(2013-3)=-2010
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