问题
填空题
计算:(1-
|
答案
原式=(1+
)(1-1 2
)×(1+1 2
)(1-1 3
)×(1+1 3
)(1-1 4
)×…×(1+1 4
)(1-1 2009
),1 2009
=
.1005 2009
故答案为
.1005 2009
计算:(1-
|
原式=(1+
)(1-1 2
)×(1+1 2
)(1-1 3
)×(1+1 3
)(1-1 4
)×…×(1+1 4
)(1-1 2009
),1 2009
=
.1005 2009
故答案为
.1005 2009