>
数学
>
1/1x2+1/3x4+1/4x5+L+1/2008x2009
第一个份数和第二个份数之间是少了1/2x3这个数的
人气：258 ℃ 时间：2020-05-19 03:47:53
解答
原式=1-1/2+1/3-1/4+1/4-1/5+……+1/2008-1/2009
=1-1/2+1/3-1/2009
=10039/12054
推荐
急求高手解答1/1x2+1/2x3+1/3x4+1/4x5+.+1/2007x2008+1/2008x2009帮忙列出每个步骤,
一定要帮我啊!(1/1x2)+(1/2x3)+(1/3x4)+(1/4x5)+.+(1/99x100)=?
1/2008X2009 X（1X2+2X3+3X4+.+2008X2009） 求步骤!
1/1x2+1/2x3+1/3x4+1/4x5+.1/49x50
1/1x2+1/2x3+1/3x4+1/4x5+...+1/2009x2010
把146分成两个整数之和,一个是11的倍数,另一个是17的倍数,这两个数分别是多少?
七尺男儿是多长?尺,厘米,寸如何换算?
while it is expected that students come university with the ability to take a good set of notes,
猜你喜欢
England is one of the countries_____people rive on the left.
用last night造句
the pink bag is bigger than the black one?
商店有苹果和梨共465千克．如果卖出苹果的1/4，卖出梨的1/5，两种水果剩下的重量相等．原来苹果和梨各多少千克？
Tom want to be a （ ） when he grow up A.pilot B.cooker C.drive 应该填那个?为什么?
怎样把220v低音炮改成12v
移一根火柴棒,算式就能相等?13-3=8
这几题怎样简便运算啊!快
© 2025 79432.Com All Rights Reserved.
电脑版
|
手机版
