(1+1/2)×(1-1/2)×(1+1/3)×(1-1/3)×…×(1+1/99)×(1-1/99)×(1-1/2)×(1+1/3)×(1-1/3)×…×(1+1/99)×(1-1/99)= _ .
(
1+)×(1-)×(1+)×(1-)×…×(1+)×(1-)×
(1-)×
(1+)×
(1-)×…×
(1+)×
(1-)= ___ .
数学人气:597 ℃时间:2020-02-05 00:26:16
优质解答
(1+
)×(1-
)×(1+
)×(1-
)×…×(1+
)(1-
),
=(1-
)×(1+
)×(1-
)×(1+
)×…×(1-
)(1+
),
=
×
×
×
×…×
×
,
=
×
,
=
.
我来回答
类似推荐
猜你喜欢
- 1but for,except for ,apart from 的区别
- 2根据热力学第二定律,下列说法错误的是()
- 3旅行社的英文翻译是Travel Agency还是TRAVEL SERVICE?
- 4may ()(be) happy when he she hears the news
- 5当我站在詹天佑的塑像前
- 6The leaders have done everything they can _____ people's living conditions.
- 7情态动词+have done地用法
- 8在三角形ABC中,角C=90度,角A,角B,角C对的边分别为abc,(1)若角A=60度,a+b=3+根号3,求a,b,及三角形的面积
- 9气压单位有哪些
- 10甲、乙两人从周长为1600米的正方形水池ABCD相对的两个顶点A,C同时出发绕水池的边沿A-B-C-D-A的方向行走.甲的速度是每分钟50米,乙的速度是每分钟46米则甲、乙第一次在同一边上行走,是