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