早教吧 育儿知识 作业答案 考试题库 百科 知识分享

将2008减去它的12,再减去余下的13,再减去余下的14,…依此类推,直至最后减去余下的12008,最后的结果是()A.20072008B.20062007C.1D.20092008

题目详情
1
2
,再减去余下的
1
3
,再减去余下的
1
4
,…依此类推,直至最后减去余下的
1
2008
,最后的结果是(  )
A.
2007
2008

B.
2006
2007

C. 1
D.
2009
2008
1
2
1122
1
3
,再减去余下的
1
4
,…依此类推,直至最后减去余下的
1
2008
,最后的结果是(  )
A.
2007
2008

B.
2006
2007

C. 1
D.
2009
2008
1
3
1133
1
4
,…依此类推,直至最后减去余下的
1
2008
,最后的结果是(  )
A.
2007
2008

B.
2006
2007

C. 1
D.
2009
2008
1
4
1144
1
2008
,最后的结果是(  )
A.
2007
2008

B.
2006
2007

C. 1
D.
2009
2008
1
2008
1120082008
2007
2008

B.
2006
2007

C. 1
D.
2009
2008
2007
2008
2007200720082008
2006
2007

C. 1
D.
2009
2008
2006
2007
2006200620072007

2009
2008
2009
2008
2009200920082008
▼优质解答
答案和解析
2008×(1-
1
2
)×(1-
1
3
)×…×(1-
1
2007
)×(1-
1
2008
),
=2008×
1
2
×
2
3
…×
2006
2007
×
2007
2008

=2008×
2007
2008
×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
1
2
111222)×(1-
1
3
)×…×(1-
1
2007
)×(1-
1
2008
),
=2008×
1
2
×
2
3
…×
2006
2007
×
2007
2008

=2008×
2007
2008
×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
1
3
111333)×…×(1-
1
2007
)×(1-
1
2008
),
=2008×
1
2
×
2
3
…×
2006
2007
×
2007
2008

=2008×
2007
2008
×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
1
2007
111200720072007)×(1-
1
2008
),
=2008×
1
2
×
2
3
…×
2006
2007
×
2007
2008

=2008×
2007
2008
×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
1
2008
111200820082008),
=2008×
1
2
×
2
3
…×
2006
2007
×
2007
2008

=2008×
2007
2008
×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
1
2
111222×
2
3
…×
2006
2007
×
2007
2008

=2008×
2007
2008
×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
2
3
222333…×
2006
2007
×
2007
2008

=2008×
2007
2008
×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
2006
2007
200620062006200720072007×
2007
2008

=2008×
2007
2008
×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
2007
2008
200720072007200820082008,
=2008×
2007
2008
×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
2007
2008
200720072007200820082008×
2006
2007
…×
2
3
×
1
2

=1.
故选:C.
2006
2007
200620062006200720072007…×
2
3
×
1
2

=1.
故选:C.
2
3
222333×
1
2

=1.
故选:C.
1
2
111222,
=1.
故选:C.