问题
填空题
计算(1+
|
答案
(1+
)2011(1-2
)2012=(1+2
)2011(1-2
)2011(1-2
)2
=[(1+
)(1-2
)]2011(1-2
)=-(1-2
)=2
-1.2
故答案为:
-1.2
计算(1+
|
(1+
)2011(1-2
)2012=(1+2
)2011(1-2
)2011(1-2
)2
=[(1+
)(1-2
)]2011(1-2
)=-(1-2
)=2
-1.2
故答案为:
-1.2