已知整数a 1 ,a 2 ,a 3 ,a 4 ,…满足下列条件:a 1 =0,a 2 =-|a 1 +1|,a 3 =-|a 2 +2|,a 4 =-|a 3
已知整数a1,a2,a3,a4,…满足下列条件:a1=0,a2=-|a1+1|,a3=-|a2+2|,a4=-|a3+3|,…,依此类推,则a2012的值为______....
已知整数a 1 ,a 2 ,a 3 ,a 4 ,…满足下列条件:a 1 =0,a 2 =-|a 1 +1|,a 3 =-|a 2 +2|,a 4 =-|a 3 +3|,…,依此类推,则a 2012 的值为______.
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