题目内容

观察下列各式,回答问题
1-
1
22
=
1
2
×
1
3
1-
1
32
=
2
3
×
4
3
1-
1
42
=
3
4
×
5
4
….
按上述规律填空:
(1)1-
1
1002
=______×______,1-
1
20052
=______×______.
(2)计算:(1-
1
22
)×(1-
1
32
)
…×(1-
1
20042
)×(1-
1
20052
)
(1)1-
1
1002
=
99
100
×
101
100
1-
1
20052
=
2004
2005
×
2006
2005


(2)(1-
1
22
)×(1-
1
32
)
…×(1-
1
20042
)×(1-
1
20052
)

=
1
2
×
3
2
×
2
3
×
4
3
×
2003
2004
×
2005
2004
×
2004
2005
×
2006
2005

=
1
2
×
2006
2005

=
1003
2005

故答案为:
99
100
101
100
2004
2005
2006
2005
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网