> 数学 >
(2007-1)×2007分之2008-1 等于几,是等于2006吗
人气:314 ℃ 时间:2020-02-02 20:20:59
解答
(2007-1)×(2008/2007)-1
=2007×2008/2007-1×2008/2007-1
=2008-2008/2007-1
=2008-1-1//2007-1
=2006-1/2007
=2005又2006/2007
(2007-1)×(2008-1)/2007
=2006×1
=2006
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版