lakerboysjun
春芽
共回答了18个问题采纳率:88.9% 举报
由题意可得,{
2012
2013 }=
2012
2013 ,
∵
201 2 2
2013 =
(2013-1 ) 2
2013 =
201 3 2 -2×2013+1
2013 =2011+
1
2013
∴{
201 2 2
2013 }=
1
2013
同理可得,
201 2 3
2013 =
(2013-1 ) 3
2013 = 201 3 2 -3×2013+3-
1
2013 = 2013×2010+2+
2012
2013
∴
201 2 3
2013 =
2012
2013
∴ {
2012
2013 }+{
2012 2
2013 }+{
2012 3
2013 }+…+{
2012 2012
2013 }
=
1
2013 +
2012
2013 +…+
1
2013 +
2012
2013
=1×1006=1006
故答案为:1006
1年前
9